2051015686512 has 40 divisors (see below), whose sum is σ = 5706030821904. Its totient is φ = 631081749504.

The previous prime is 2051015686501. The next prime is 2051015686529. The reversal of 2051015686512 is 2156865101502.

It is a super-2 number, since 2×2051015686512² (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, 1643441433 + ... + 1643442680.

Almost surely, 2^{2051015686512} is an apocalyptic number.

It is an amenable number.

2051015686512 is an abundant number, since it is smaller than the sum of its proper divisors (3655015135392).

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

2051015686512 is a wasteful number, since it uses less digits than its factorization.

2051015686512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286884137 (or 3286884131 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 2051015686512 in words is "two trillion, fifty-one billion, fifteen million, six hundred eighty-six thousand, five hundred twelve".