85011133725 has 144 divisors (see below), whose sum is σ = 184924771200. Its totient is φ = 36442828800.

The previous prime is 85011133703. The next prime is 85011133729. The reversal of 85011133725 is 52733111058.

It is a happy number.

85011133725 is a `hidden beast` number, since 8 + 501 + 113 + 37 + 2 + 5 = 666.

It is not a de Polignac number, because 85011133725 - 2⁸ = 85011133469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85011133725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85011133729) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7518126 + ... + 7529424.

It is an arithmetic number, because the mean of its divisors is an integer number (1284199800).

Almost surely, 2^85011133725 is an apocalyptic number.

85011133725 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85011133725 is an abundant number, since it is smaller than the sum of its proper divisors (99913637475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85011133725 is a wasteful number, since it uses less digits than its factorization.

85011133725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11620 (or 11612 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 85011133725 in words is "eighty-five billion, eleven million, one hundred thirty-three thousand, seven hundred twenty-five".