45111333531 has 16 divisors (see below), whose sum is σ = 65776936320. Its totient is φ = 27273347520.

The previous prime is 45111333523. The next prime is 45111333601. The reversal of 45111333531 is 13533311154.

It is not a de Polignac number, because 45111333531 - 2³ = 45111333523 is a prime.

It is a super-2 number, since 2×45111333531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45111333131) 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, 1657665 + ... + 1684658.

It is an arithmetic number, because the mean of its divisors is an integer number (4111058520).

Almost surely, 2^45111333531 is an apocalyptic number.

45111333531 is a deficient number, since it is larger than the sum of its proper divisors (20665602789).

45111333531 is a wasteful number, since it uses less digits than its factorization.

45111333531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342746.

The product of its digits is 8100, while the sum is 30.

Adding to 45111333531 its reverse (13533311154), we get a palindrome (58644644685).

The spelling of 45111333531 in words is "forty-five billion, one hundred eleven million, three hundred thirty-three thousand, five hundred thirty-one".