45120213253515 has 32 divisors (see below), whose sum is σ = 74859123873600. Its totient is φ = 23179128215040.

The previous prime is 45120213253501. The next prime is 45120213253559. The reversal of 45120213253515 is 51535231202154.

It is not a de Polignac number, because 45120213253515 - 2⁵ = 45120213253483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123005260 + ... + 123371529.

It is an arithmetic number, because the mean of its divisors is an integer number (2339347621050).

Almost surely, 2^{45120213253515} is an apocalyptic number.

45120213253515 is a deficient number, since it is larger than the sum of its proper divisors (29738910620085).

45120213253515 is a wasteful number, since it uses less digits than its factorization.

45120213253515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246377247.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 45120213253515 its reverse (51535231202154), we get a palindrome (96655444455669).

The spelling of 45120213253515 in words is "forty-five trillion, one hundred twenty billion, two hundred thirteen million, two hundred fifty-three thousand, five hundred fifteen".