15115772006 has 16 divisors (see below), whose sum is σ = 23251793040. Its totient is φ = 7365573120.

The previous prime is 15115771973. The next prime is 15115772011. The reversal of 15115772006 is 60027751151.

It is a congruent number.

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, 23036 + ... + 175391.

It is an arithmetic number, because the mean of its divisors is an integer number (1453237065).

Almost surely, 2^15115772006 is an apocalyptic number.

15115772006 is a deficient number, since it is larger than the sum of its proper divisors (8136021034).

15115772006 is a wasteful number, since it uses less digits than its factorization.

15115772006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199399.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 15115772006 in words is "fifteen billion, one hundred fifteen million, seven hundred seventy-two thousand, six".