11660057615 has 16 divisors (see below), whose sum is σ = 14142854880. Its totient is φ = 9227683200.

The previous prime is 11660057599. The next prime is 11660057623. The reversal of 11660057615 is 51675006611.

It is not a de Polignac number, because 11660057615 - 2⁴ = 11660057599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611252 + ... + 630038.

It is an arithmetic number, because the mean of its divisors is an integer number (883928430).

Almost surely, 2^11660057615 is an apocalyptic number.

11660057615 is a deficient number, since it is larger than the sum of its proper divisors (2482797265).

11660057615 is a wasteful number, since it uses less digits than its factorization.

11660057615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20122.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 11660057615 in words is "eleven billion, six hundred sixty million, fifty-seven thousand, six hundred fifteen".