2151562651512 has 32 divisors (see below), whose sum is σ = 5380178792400. Its totient is φ = 717017928704.

The previous prime is 2151562651489. The next prime is 2151562651541.

It is a happy number.

2151562651512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2151562651512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10497753 + ... + 10700744.

Almost surely, 2^{2151562651512} is an apocalyptic number.

It is an amenable number.

2151562651512 is an abundant number, since it is smaller than the sum of its proper divisors (3228616140888).

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

2151562651512 is a wasteful number, since it uses less digits than its factorization.

2151562651512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202735 (or 21202731 counting only the distinct ones).

The product of its digits is 180000, while the sum is 42.

The spelling of 2151562651512 in words is "two trillion, one hundred fifty-one billion, five hundred sixty-two million, six hundred fifty-one thousand, five hundred twelve".