45636514561 has 32 divisors (see below), whose sum is σ = 55415808000. Its totient is φ = 37108368000.

The previous prime is 45636514543. The next prime is 45636514591. The reversal of 45636514561 is 16541563654.

It is a happy number.

It is not a de Polignac number, because 45636514561 - 2⁵ = 45636514529 is a prime.

It is a super-2 number, since 2×45636514561² (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 (45636514531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179740 + ... + 351538.

It is an arithmetic number, because the mean of its divisors is an integer number (1731744000).

Almost surely, 2^45636514561 is an apocalyptic number.

45636514561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45636514561 is a deficient number, since it is larger than the sum of its proper divisors (9779293439).

45636514561 is a wasteful number, since it uses less digits than its factorization.

45636514561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171901.

The product of its digits is 1296000, while the sum is 46.

The spelling of 45636514561 in words is "forty-five billion, six hundred thirty-six million, five hundred fourteen thousand, five hundred sixty-one".