85113899901 has 16 divisors (see below), whose sum is σ = 129502632000. Its totient is φ = 55209015504.

The previous prime is 85113899887. The next prime is 85113899909. The reversal of 85113899901 is 10999831158.

85113899901 is a `hidden beast` number, since 8 + 511 + 38 + 9 + 9 + 90 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-85113899901 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85113899909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42598551 + ... + 42600548.

It is an arithmetic number, because the mean of its divisors is an integer number (8093914500).

Almost surely, 2^85113899901 is an apocalyptic number.

It is an amenable number.

85113899901 is a deficient number, since it is larger than the sum of its proper divisors (44388732099).

85113899901 is a wasteful number, since it uses less digits than its factorization.

85113899901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85199145 (or 85199139 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 54.

The spelling of 85113899901 in words is "eighty-five billion, one hundred thirteen million, eight hundred ninety-nine thousand, nine hundred one".