45511432072 has 64 divisors (see below), whose sum is σ = 88909539840. Its totient is φ = 21816537600.

The previous prime is 45511432069. The next prime is 45511432073. The reversal of 45511432072 is 27023411554.

It is not an unprimeable number, because it can be changed into a prime (45511432073) 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, 35638698 + ... + 35639974.

It is an arithmetic number, because the mean of its divisors is an integer number (1389211560).

Almost surely, 2^45511432072 is an apocalyptic number.

It is an amenable number.

45511432072 is a deficient number, since it is larger than the sum of its proper divisors (43398107768).

45511432072 is a wasteful number, since it uses less digits than its factorization.

45511432072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 45511432072 in words is "forty-five billion, five hundred eleven million, four hundred thirty-two thousand, seventy-two".