11615606616 has 32 divisors (see below), whose sum is σ = 29067519600. Its totient is φ = 3868068480.

The previous prime is 11615606551. The next prime is 11615606683. The reversal of 11615606616 is 61660651611.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 212511 + ... + 261518.

Almost surely, 2^11615606616 is an apocalyptic number.

It is an amenable number.

11615606616 is an abundant number, since it is smaller than the sum of its proper divisors (17451912984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11615606616 is a wasteful number, since it uses less digits than its factorization.

11615606616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475059 (or 475055 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 11615606616 in words is "eleven billion, six hundred fifteen million, six hundred six thousand, six hundred sixteen".