45531116015 has 48 divisors (see below), whose sum is σ = 68685685824. Its totient is φ = 28362216960.

The previous prime is 45531115979. The next prime is 45531116021. The reversal of 45531116015 is 51061113554.

It is not a de Polignac number, because 45531116015 - 2²² = 45526921711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7420889 + ... + 7427021.

It is an arithmetic number, because the mean of its divisors is an integer number (1430951788).

Almost surely, 2^45531116015 is an apocalyptic number.

45531116015 is a deficient number, since it is larger than the sum of its proper divisors (23154569809).

45531116015 is a wasteful number, since it uses less digits than its factorization.

45531116015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 45531116015 its reverse (51061113554), we get a palindrome (96592229569).

The spelling of 45531116015 in words is "forty-five billion, five hundred thirty-one million, one hundred sixteen thousand, fifteen".