85225233051 has 40 divisors (see below), whose sum is σ = 154057955040. Its totient is φ = 45835414272.

The previous prime is 85225233043. The next prime is 85225233053. The reversal of 85225233051 is 15033252258.

85225233051 is a `hidden beast` number, since 8 + 52 + 2 + 523 + 30 + 51 = 666.

It is not a de Polignac number, because 85225233051 - 2³ = 85225233043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85225232997 and 85225233015.

It is not an unprimeable number, because it can be changed into a prime (85225233053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4411216 + ... + 4430493.

It is an arithmetic number, because the mean of its divisors is an integer number (3851448876).

Almost surely, 2^85225233051 is an apocalyptic number.

85225233051 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85225233051 is a deficient number, since it is larger than the sum of its proper divisors (68832721989).

85225233051 is a wasteful number, since it uses less digits than its factorization.

85225233051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841745 (or 8841736 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 85225233051 in words is "eighty-five billion, two hundred twenty-five million, two hundred thirty-three thousand, fifty-one".