85156295051 has 4 divisors (see below), whose sum is σ = 85168695504. Its totient is φ = 85143894600.

The previous prime is 85156295009. The next prime is 85156295069. The reversal of 85156295051 is 15059265158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85156295051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85156294987 and 85156295005.

It is not an unprimeable number, because it can be changed into a prime (85156295071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6189920 + ... + 6203661.

It is an arithmetic number, because the mean of its divisors is an integer number (21292173876).

Almost surely, 2^85156295051 is an apocalyptic number.

85156295051 is a deficient number, since it is larger than the sum of its proper divisors (12400453).

85156295051 is a wasteful number, since it uses less digits than its factorization.

85156295051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400452.

The product of its (nonzero) digits is 540000, while the sum is 47.

The spelling of 85156295051 in words is "eighty-five billion, one hundred fifty-six million, two hundred ninety-five thousand, fifty-one".