45511445331 has 72 divisors (see below), whose sum is σ = 78045209424. Its totient is φ = 25257277440.

The previous prime is 45511445327. The next prime is 45511445333. The reversal of 45511445331 is 13354411554.

45511445331 is a `hidden beast` number, since 4 + 5 + 5 + 114 + 4 + 533 + 1 = 666.

It is not a de Polignac number, because 45511445331 - 2² = 45511445327 is a prime.

It is a super-2 number, since 2×45511445331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45511445333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2294151 + ... + 2313903.

It is an arithmetic number, because the mean of its divisors is an integer number (1083961242).

Almost surely, 2^45511445331 is an apocalyptic number.

45511445331 is a deficient number, since it is larger than the sum of its proper divisors (32533764093).

45511445331 is a wasteful number, since it uses less digits than its factorization.

45511445331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19861 (or 19821 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 45511445331 its reverse (13354411554), we get a palindrome (58865856885).

The spelling of 45511445331 in words is "forty-five billion, five hundred eleven million, four hundred forty-five thousand, three hundred thirty-one".