45520515225 has 36 divisors (see below), whose sum is σ = 82749228016. Its totient is φ = 23915247840.

The previous prime is 45520515223. The next prime is 45520515277. The reversal of 45520515225 is 52251502554.

45520515225 is a `hidden beast` number, since 4 + 552 + 0 + 51 + 52 + 2 + 5 = 666.

It is not a de Polignac number, because 45520515225 - 2¹ = 45520515223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45520515225.

It is not an unprimeable number, because it can be changed into a prime (45520515223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1494727 + ... + 1524876.

Almost surely, 2^45520515225 is an apocalyptic number.

45520515225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45520515225 is a deficient number, since it is larger than the sum of its proper divisors (37228712791).

45520515225 is a wasteful number, since it uses less digits than its factorization.

45520515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019686 (or 3019678 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 45520515225 in words is "forty-five billion, five hundred twenty million, five hundred fifteen thousand, two hundred twenty-five".