45512133615 has 24 divisors (see below), whose sum is σ = 84955983840. Its totient is φ = 22405973184.

The previous prime is 45512133581. The next prime is 45512133617. The reversal of 45512133615 is 51633121554.

45512133615 is a `hidden beast` number, since 4 + 5 + 5 + 1 + 2 + 1 + 33 + 615 = 666.

It is not a de Polignac number, because 45512133615 - 2⁹ = 45512133103 is a prime.

It is a super-2 number, since 2×45512133615² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45512133615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45512133617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38898675 + ... + 38899844.

It is an arithmetic number, because the mean of its divisors is an integer number (3539832660).

Almost surely, 2^45512133615 is an apocalyptic number.

45512133615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45512133615 is a deficient number, since it is larger than the sum of its proper divisors (39443850225).

45512133615 is a wasteful number, since it uses less digits than its factorization.

45512133615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77798543 (or 77798540 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The spelling of 45512133615 in words is "forty-five billion, five hundred twelve million, one hundred thirty-three thousand, six hundred fifteen".