45051512515 has 4 divisors (see below), whose sum is σ = 54061815024. Its totient is φ = 36041210008.

The previous prime is 45051512501. The next prime is 45051512533. The reversal of 45051512515 is 51521515054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45051512515 - 2⁵ = 45051512483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4505151247 + ... + 4505151256.

It is an arithmetic number, because the mean of its divisors is an integer number (13515453756).

Almost surely, 2^45051512515 is an apocalyptic number.

45051512515 is a deficient number, since it is larger than the sum of its proper divisors (9010302509).

45051512515 is an equidigital number, since it uses as much as digits as its factorization.

45051512515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010302508.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 45051512515 in words is "forty-five billion, fifty-one million, five hundred twelve thousand, five hundred fifteen".