32506645512 has 64 divisors (see below), whose sum is σ = 89650670400. Its totient is φ = 9739811840.

The previous prime is 32506645511. The next prime is 32506645517. The reversal of 32506645512 is 21554660523.

32506645512 = T₂₆₉₈₃ + T₂₆₉₈₄ + ... + T₂₇₀₇₁.

It is not an unprimeable number, because it can be changed into a prime (32506645511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668253 + ... + 715244.

It is an arithmetic number, because the mean of its divisors is an integer number (1400791725).

Almost surely, 2^32506645512 is an apocalyptic number.

It is an amenable number.

32506645512 is an abundant number, since it is smaller than the sum of its proper divisors (57144024888).

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

32506645512 is a wasteful number, since it uses less digits than its factorization.

32506645512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383606 (or 1383602 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 32506645512 in words is "thirty-two billion, five hundred six million, six hundred forty-five thousand, five hundred twelve".