11878346241181 has 16 divisors (see below), whose sum is σ = 13781130552448. Its totient is φ = 10027435046400.

The previous prime is 11878346241173. The next prime is 11878346241191. The reversal of 11878346241181 is 18114264387811.

It is a cyclic number.

It is not a de Polignac number, because 11878346241181 - 2³ = 11878346241173 is a prime.

It is a super-2 number, since 2×11878346241181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878346241131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16466940 + ... + 17173141.

It is an arithmetic number, because the mean of its divisors is an integer number (861320659528).

Almost surely, 2^{11878346241181} is an apocalyptic number.

It is an amenable number.

11878346241181 is a deficient number, since it is larger than the sum of its proper divisors (1902784311267).

11878346241181 is an equidigital number, since it uses as much as digits as its factorization.

11878346241181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33640852.

The product of its digits is 2064384, while the sum is 55.

The spelling of 11878346241181 in words is "eleven trillion, eight hundred seventy-eight billion, three hundred forty-six million, two hundred forty-one thousand, one hundred eighty-one".