45021025511 has 72 divisors (see below), whose sum is σ = 58949856000. Its totient is φ = 34246359840.

The previous prime is 45021025507. The next prime is 45021025529. The reversal of 45021025511 is 11552012054.

It is not a de Polignac number, because 45021025511 - 2² = 45021025507 is a prime.

It is a super-2 number, since 2×45021025511² (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 (45021025531) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 62615810 + ... + 62616528.

It is an arithmetic number, because the mean of its divisors is an integer number (818748000).

Almost surely, 2^45021025511 is an apocalyptic number.

45021025511 is a deficient number, since it is larger than the sum of its proper divisors (13928830489).

45021025511 is a wasteful number, since it uses less digits than its factorization.

45021025511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 45021025511 its reverse (11552012054), we get a palindrome (56573037565).

The spelling of 45021025511 in words is "forty-five billion, twenty-one million, twenty-five thousand, five hundred eleven".