1051689610512 has 140 divisors (see below), whose sum is σ = 3234786291900. Its totient is φ = 329941776384.

The previous prime is 1051689610483. The next prime is 1051689610537. The reversal of 1051689610512 is 2150169861501.

1051689610512 is a `hidden beast` number, since 1 + 0 + 5 + 16 + 8 + 9 + 610 + 5 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 862067682576 + 189621927936 = 928476^2 + 435456^2 .

It is a super-2 number, since 2×1051689610512² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2453637 + ... + 2850212.

Almost surely, 2^{1051689610512} is an apocalyptic number.

1051689610512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1051689610512 is an abundant number, since it is smaller than the sum of its proper divisors (2183096681388).

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

1051689610512 is an equidigital number, since it uses as much as digits as its factorization.

1051689610512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303892 (or 5303871 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The spelling of 1051689610512 in words is "one trillion, fifty-one billion, six hundred eighty-nine million, six hundred ten thousand, five hundred twelve".