11104365503985 has 64 divisors (see below), whose sum is σ = 19408341120000. Its totient is φ = 5388385794048.

The previous prime is 11104365503953. The next prime is 11104365504007. The reversal of 11104365503985 is 58930556340111.

It is a happy number.

It is not a de Polignac number, because 11104365503985 - 2⁵ = 11104365503953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21798216 + ... + 22301814.

It is an arithmetic number, because the mean of its divisors is an integer number (303255330000).

Almost surely, 2^{11104365503985} is an apocalyptic number.

11104365503985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11104365503985 is a deficient number, since it is larger than the sum of its proper divisors (8303975616015).

11104365503985 is a wasteful number, since it uses less digits than its factorization.

11104365503985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505242.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 11104365503985 in words is "eleven trillion, one hundred four billion, three hundred sixty-five million, five hundred three thousand, nine hundred eighty-five".