11632616985 has 32 divisors (see below), whose sum is σ = 20309357952. Its totient is φ = 5638625280.

The previous prime is 11632616977. The next prime is 11632617001. The reversal of 11632616985 is 58961623611.

It is not a de Polignac number, because 11632616985 - 2³ = 11632616977 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960387 + ... + 972423.

It is an arithmetic number, because the mean of its divisors is an integer number (634667436).

Almost surely, 2^11632616985 is an apocalyptic number.

11632616985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11632616985 is a deficient number, since it is larger than the sum of its proper divisors (8676740967).

11632616985 is a wasteful number, since it uses less digits than its factorization.

11632616985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17913.

The product of its digits is 466560, while the sum is 48.

The spelling of 11632616985 in words is "eleven billion, six hundred thirty-two million, six hundred sixteen thousand, nine hundred eighty-five".