12155364771676 has 24 divisors (see below), whose sum is σ = 24603629904000. Its totient is φ = 5146677682032.

The previous prime is 12155364771631. The next prime is 12155364771679. The reversal of 12155364771676 is 67617746355121.

It is a super-2 number, since 2×12155364771676² (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 (12155364771679) 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, 2615179426 + ... + 2615184073.

It is an arithmetic number, because the mean of its divisors is an integer number (1025151246000).

Almost surely, 2^{12155364771676} is an apocalyptic number.

It is an amenable number.

12155364771676 is an abundant number, since it is smaller than the sum of its proper divisors (12448265132324).

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

12155364771676 is a wasteful number, since it uses less digits than its factorization.

12155364771676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230363593 (or 5230363591 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 61.

The spelling of 12155364771676 in words is "twelve trillion, one hundred fifty-five billion, three hundred sixty-four million, seven hundred seventy-one thousand, six hundred seventy-six".