45515405131 has 6 divisors (see below), whose sum is σ = 52946491740. Its totient is φ = 39013204356.

The previous prime is 45515405119. The next prime is 45515405147. The reversal of 45515405131 is 13150451554.

It is not a de Polignac number, because 45515405131 - 2¹¹ = 45515403083 is a prime.

It is a super-2 number, since 2×45515405131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45515405191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464442861 + ... + 464442958.

It is an arithmetic number, because the mean of its divisors is an integer number (8824415290).

Almost surely, 2^45515405131 is an apocalyptic number.

45515405131 is a deficient number, since it is larger than the sum of its proper divisors (7431086609).

45515405131 is an equidigital number, since it uses as much as digits as its factorization.

45515405131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928885833 (or 928885826 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 45515405131 its reverse (13150451554), we get a palindrome (58665856685).

The spelling of 45515405131 in words is "forty-five billion, five hundred fifteen million, four hundred five thousand, one hundred thirty-one".