45532215531 has 32 divisors (see below), whose sum is σ = 73642141440. Its totient is φ = 27574761600.

The previous prime is 45532215479. The next prime is 45532215541. The reversal of 45532215531 is 13551223554.

45532215531 is a `hidden beast` number, since 4 + 55 + 32 + 21 + 553 + 1 = 666.

It is not a de Polignac number, because 45532215531 - 2¹³ = 45532207339 is a prime.

It is a super-2 number, since 2×45532215531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45532215541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347896 + ... + 460538.

It is an arithmetic number, because the mean of its divisors is an integer number (2301316920).

Almost surely, 2^45532215531 is an apocalyptic number.

45532215531 is a deficient number, since it is larger than the sum of its proper divisors (28109925909).

45532215531 is a wasteful number, since it uses less digits than its factorization.

45532215531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114024 (or 114018 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 45532215531 in words is "forty-five billion, five hundred thirty-two million, two hundred fifteen thousand, five hundred thirty-one".