2151937770112 has 64 divisors (see below), whose sum is σ = 4817569800960. Its totient is φ = 950019333120.

The previous prime is 2151937770107. The next prime is 2151937770167. The reversal of 2151937770112 is 2110777391512.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28075464 + ... + 28152007.

It is an arithmetic number, because the mean of its divisors is an integer number (75274528140).

Almost surely, 2^{2151937770112} is an apocalyptic number.

It is an amenable number.

2151937770112 is an abundant number, since it is smaller than the sum of its proper divisors (2665632030848).

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

2151937770112 is a wasteful number, since it uses less digits than its factorization.

2151937770112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56227521 (or 56227509 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 46.

The spelling of 2151937770112 in words is "two trillion, one hundred fifty-one billion, nine hundred thirty-seven million, seven hundred seventy thousand, one hundred twelve".