2156032565250 has 32 divisors (see below), whose sum is σ = 5381457284736. Its totient is φ = 574942017200.

The previous prime is 2156032565231. The next prime is 2156032565251. The reversal of 2156032565250 is 525652306512.

It is not an unprimeable number, because it can be changed into a prime (2156032565251) 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, 1437354294 + ... + 1437355793.

It is an arithmetic number, because the mean of its divisors is an integer number (168170540148).

Almost surely, 2^{2156032565250} is an apocalyptic number.

2156032565250 is an abundant number, since it is smaller than the sum of its proper divisors (3225424719486).

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

2156032565250 is a wasteful number, since it uses less digits than its factorization.

2156032565250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874710107 (or 2874710097 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 2156032565250 in words is "two trillion, one hundred fifty-six billion, thirty-two million, five hundred sixty-five thousand, two hundred fifty".