64532145104625 has 64 divisors (see below), whose sum is σ = 117312975636480. Its totient is φ = 31243031640000.

The previous prime is 64532145104611. The next prime is 64532145104627. The reversal of 64532145104625 is 52640154123546.

It is not a de Polignac number, because 64532145104625 - 2⁸ = 64532145104369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64532145104627) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8469565 + ... + 14170314.

It is an arithmetic number, because the mean of its divisors is an integer number (1833015244320).

Almost surely, 2^{64532145104625} is an apocalyptic number.

It is an amenable number.

64532145104625 is a deficient number, since it is larger than the sum of its proper divisors (52780830531855).

64532145104625 is a wasteful number, since it uses less digits than its factorization.

64532145104625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22640599 (or 22640589 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 64532145104625 in words is "sixty-four trillion, five hundred thirty-two billion, one hundred forty-five million, one hundred four thousand, six hundred twenty-five".