45013113025 has 6 divisors (see below), whose sum is σ = 55816260182. Its totient is φ = 36010490400.

The previous prime is 45013113011. The next prime is 45013113031. The reversal of 45013113025 is 52031131054.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12703769521 + 32309343504 = 112711^2 + 179748^2 .

It is not a de Polignac number, because 45013113025 - 2¹¹ = 45013110977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1800524521 = 45013113025 / (4 + 5 + 0 + 1 + 3 + 1 + 1 + 3 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 900262236 + ... + 900262285.

Almost surely, 2^45013113025 is an apocalyptic number.

It is an amenable number.

45013113025 is a deficient number, since it is larger than the sum of its proper divisors (10803147157).

45013113025 is a wasteful number, since it uses less digits than its factorization.

45013113025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800524531 (or 1800524526 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 45013113025 its reverse (52031131054), we get a palindrome (97044244079).

The spelling of 45013113025 in words is "forty-five billion, thirteen million, one hundred thirteen thousand, twenty-five".