45023131511 has 16 divisors (see below), whose sum is σ = 48574986240. Its totient is φ = 41608654560.

The previous prime is 45023131507. The next prime is 45023131513. The reversal of 45023131511 is 11513132054.

It is a cyclic number.

It is not a de Polignac number, because 45023131511 - 2² = 45023131507 is a prime.

It is a super-2 number, since 2×45023131511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45023131513) 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, 390341 + ... + 492353.

It is an arithmetic number, because the mean of its divisors is an integer number (3035936640).

Almost surely, 2^45023131511 is an apocalyptic number.

45023131511 is a deficient number, since it is larger than the sum of its proper divisors (3551854729).

45023131511 is a wasteful number, since it uses less digits than its factorization.

45023131511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102686.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 45023131511 its reverse (11513132054), we get a palindrome (56536263565).

The spelling of 45023131511 in words is "forty-five billion, twenty-three million, one hundred thirty-one thousand, five hundred eleven".