2155626135136 has 24 divisors (see below), whose sum is σ = 4342584048264. Its totient is φ = 1052747646720.

The previous prime is 2155626135079. The next prime is 2155626135139. The reversal of 2155626135136 is 6315316265512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155626135139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783293005 + ... + 783295756.

It is an arithmetic number, because the mean of its divisors is an integer number (180941002011).

Almost surely, 2^{2155626135136} is an apocalyptic number.

It is an amenable number.

2155626135136 is an abundant number, since it is smaller than the sum of its proper divisors (2186957913128).

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

2155626135136 is a wasteful number, since it uses less digits than its factorization.

2155626135136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566588814 (or 1566588806 counting only the distinct ones).

The product of its digits is 972000, while the sum is 46.

The spelling of 2155626135136 in words is "two trillion, one hundred fifty-five billion, six hundred twenty-six million, one hundred thirty-five thousand, one hundred thirty-six".