11871652320180 has 72 divisors (see below), whose sum is σ = 36052600802400. Its totient is φ = 3162088492992.

The previous prime is 11871652320097. The next prime is 11871652320263. The reversal of 11871652320180 is 8102325617811.

11871652320180 is a `hidden beast` number, since 1 + 1 + 87 + 16 + 523 + 20 + 18 + 0 = 666.

11871652320180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11871652320097) and next prime (11871652320263).

It is a super-2 number, since 2×11871652320180² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38235150 + ... + 38544389.

It is an arithmetic number, because the mean of its divisors is an integer number (500730566700).

Almost surely, 2^{11871652320180} is an apocalyptic number.

11871652320180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11871652320180 is an abundant number, since it is smaller than the sum of its proper divisors (24180948482220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11871652320180 is a wasteful number, since it uses less digits than its factorization.

11871652320180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76780413 (or 76780408 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

Adding to 11871652320180 its reverse (8102325617811), we get a palindrome (19973977937991).

The spelling of 11871652320180 in words is "eleven trillion, eight hundred seventy-one billion, six hundred fifty-two million, three hundred twenty thousand, one hundred eighty".