45511444531 has 16 divisors (see below), whose sum is σ = 53381196288. Its totient is φ = 37996963200.

The previous prime is 45511444507. The next prime is 45511444543. The reversal of 45511444531 is 13544411554.

It is a de Polignac number, because none of the positive numbers 2^k-45511444531 is a prime.

It is a super-2 number, since 2×45511444531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45511444501) 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, 510390 + ... + 592891.

It is an arithmetic number, because the mean of its divisors is an integer number (3336324768).

Almost surely, 2^45511444531 is an apocalyptic number.

45511444531 is a deficient number, since it is larger than the sum of its proper divisors (7869751757).

45511444531 is a wasteful number, since it uses less digits than its factorization.

45511444531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103442.

The product of its digits is 96000, while the sum is 37.

The spelling of 45511444531 in words is "forty-five billion, five hundred eleven million, four hundred forty-four thousand, five hundred thirty-one".