32145511872 has 28 divisors (see below), whose sum is σ = 85051667336. Its totient is φ = 10715170560.

The previous prime is 32145511847. The next prime is 32145511921. The reversal of 32145511872 is 27811554123.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 32145511872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83712079 + ... + 83712462.

Almost surely, 2^32145511872 is an apocalyptic number.

32145511872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32145511872 is an abundant number, since it is smaller than the sum of its proper divisors (52906155464).

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

32145511872 is a wasteful number, since it uses less digits than its factorization.

32145511872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167424556 (or 167424546 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The spelling of 32145511872 in words is "thirty-two billion, one hundred forty-five million, five hundred eleven thousand, eight hundred seventy-two".