15121545045874 has 8 divisors (see below), whose sum is σ = 22969435512960. Its totient is φ = 7465066541556.

The previous prime is 15121545045851. The next prime is 15121545045899. The reversal of 15121545045874 is 47854054512151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15121545045874² (a number of 27 digits) contains 22 as substring.

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, 47852990494 + ... + 47852990809.

It is an arithmetic number, because the mean of its divisors is an integer number (2871179439120).

Almost surely, 2^{15121545045874} is an apocalyptic number.

15121545045874 is a deficient number, since it is larger than the sum of its proper divisors (7847890467086).

15121545045874 is an equidigital number, since it uses as much as digits as its factorization.

15121545045874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95705981384.

The product of its (nonzero) digits is 4480000, while the sum is 52.

The spelling of 15121545045874 in words is "fifteen trillion, one hundred twenty-one billion, five hundred forty-five million, forty-five thousand, eight hundred seventy-four".