15481474874 has 8 divisors (see below), whose sum is σ = 23256515988. Its totient is φ = 7729302880.

The previous prime is 15481474859. The next prime is 15481474891. The reversal of 15481474874 is 47847418451.

It can be written as a sum of positive squares in 2 ways, for example, as 15476604025 + 4870849 = 124405^2 + 2207^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5715587 + ... + 5718294.

Almost surely, 2^15481474874 is an apocalyptic number.

15481474874 is a deficient number, since it is larger than the sum of its proper divisors (7775041114).

15481474874 is a wasteful number, since it uses less digits than its factorization.

15481474874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434560.

The product of its digits is 4014080, while the sum is 53.

The spelling of 15481474874 in words is "fifteen billion, four hundred eighty-one million, four hundred seventy-four thousand, eight hundred seventy-four".