1173486878180 has 24 divisors (see below), whose sum is σ = 2464420354368. Its totient is φ = 469376101728.

The previous prime is 1173486878177. The next prime is 1173486878183. The reversal of 1173486878180 is 818786843711.

It is an interprime number because it is at equal distance from previous prime (1173486878177) and next prime (1173486878183).

It is a super-2 number, since 2×1173486878180² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1173486878183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643934 + ... + 1661813.

It is an arithmetic number, because the mean of its divisors is an integer number (102684181432).

Almost surely, 2^{1173486878180} is an apocalyptic number.

1173486878180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1173486878180 is an abundant number, since it is smaller than the sum of its proper divisors (1290933476188).

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

1173486878180 is a wasteful number, since it uses less digits than its factorization.

1173486878180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331203 (or 2331201 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 62.

The spelling of 1173486878180 in words is "one trillion, one hundred seventy-three billion, four hundred eighty-six million, eight hundred seventy-eight thousand, one hundred eighty".