2155245501052 has 12 divisors (see below), whose sum is σ = 4310491002160. Its totient is φ = 923676643296.

The previous prime is 2155245501043. The next prime is 2155245501089. The reversal of 2155245501052 is 2501055425512.

2155245501052 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38486526777 + ... + 38486526832.

Almost surely, 2^{2155245501052} is an apocalyptic number.

It is an amenable number.

2155245501052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2155245501052 is a wasteful number, since it uses less digits than its factorization.

2155245501052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76973053620 (or 76973053618 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 2155245501052 in words is "two trillion, one hundred fifty-five billion, two hundred forty-five million, five hundred one thousand, fifty-two".