45311538016 has 24 divisors (see below), whose sum is σ = 89398141560. Its totient is φ = 22607248128.

The previous prime is 45311538011. The next prime is 45311538023. The reversal of 45311538016 is 61083511354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45311538011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501101 + ... + 1530988.

It is an arithmetic number, because the mean of its divisors is an integer number (3724922565).

Almost surely, 2^45311538016 is an apocalyptic number.

It is an amenable number.

45311538016 is a deficient number, since it is larger than the sum of its proper divisors (44086603544).

45311538016 is a wasteful number, since it uses less digits than its factorization.

45311538016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032566 (or 3032558 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 45311538016 in words is "forty-five billion, three hundred eleven million, five hundred thirty-eight thousand, sixteen".