11615955085 has 16 divisors (see below), whose sum is σ = 15934214016. Its totient is φ = 7963345728.

The previous prime is 11615955059. The next prime is 11615955151. The reversal of 11615955085 is 58055951611.

11615955085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11615955085 - 2⁷ = 11615954957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120322 + ... + 194188.

It is an arithmetic number, because the mean of its divisors is an integer number (995888376).

Almost surely, 2^11615955085 is an apocalyptic number.

It is an amenable number.

11615955085 is a deficient number, since it is larger than the sum of its proper divisors (4318258931).

11615955085 is an equidigital number, since it uses as much as digits as its factorization.

11615955085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78372.

The product of its (nonzero) digits is 270000, while the sum is 46.

The spelling of 11615955085 in words is "eleven billion, six hundred fifteen million, nine hundred fifty-five thousand, eighty-five".