15115616042 has 16 divisors (see below), whose sum is σ = 23403752064. Its totient is φ = 7317180000.

The previous prime is 15115616029. The next prime is 15115616069. The reversal of 15115616042 is 24061651151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692834 + ... + 714317.

It is an arithmetic number, because the mean of its divisors is an integer number (1462734504).

Almost surely, 2^15115616042 is an apocalyptic number.

15115616042 is a deficient number, since it is larger than the sum of its proper divisors (8288136022).

15115616042 is a wasteful number, since it uses less digits than its factorization.

15115616042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407325.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 15115616042 in words is "fifteen billion, one hundred fifteen million, six hundred sixteen thousand, forty-two".