11616971885 has 8 divisors (see below), whose sum is σ = 13949750016. Its totient is φ = 9287321680.

The previous prime is 11616971867. The next prime is 11616971987. The reversal of 11616971885 is 58817961611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11616971885 - 2³² = 7322004589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773801 + ... + 788670.

It is an arithmetic number, because the mean of its divisors is an integer number (1743718752).

Almost surely, 2^11616971885 is an apocalyptic number.

It is an amenable number.

11616971885 is a deficient number, since it is larger than the sum of its proper divisors (2332778131).

11616971885 is a wasteful number, since it uses less digits than its factorization.

11616971885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563963.

The product of its digits is 725760, while the sum is 53.

The spelling of 11616971885 in words is "eleven billion, six hundred sixteen million, nine hundred seventy-one thousand, eight hundred eighty-five".