2151116440264 has 32 divisors (see below), whose sum is σ = 4658835074400. Its totient is φ = 920263717120.

The previous prime is 2151116440243. The next prime is 2151116440267. The reversal of 2151116440264 is 4620446111512.

It is not an unprimeable number, because it can be changed into a prime (2151116440267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718954534 + ... + 718957525.

It is an arithmetic number, because the mean of its divisors is an integer number (145588596075).

Almost surely, 2^{2151116440264} is an apocalyptic number.

It is an amenable number.

2151116440264 is an abundant number, since it is smaller than the sum of its proper divisors (2507718634136).

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

2151116440264 is a wasteful number, since it uses less digits than its factorization.

2151116440264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437912093 (or 1437912089 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 2151116440264 in words is "two trillion, one hundred fifty-one billion, one hundred sixteen million, four hundred forty thousand, two hundred sixty-four".