85113231158 has 4 divisors (see below), whose sum is σ = 127669846740. Its totient is φ = 42556615578.

The previous prime is 85113231109. The next prime is 85113231209.

85113231158 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21278307788 + ... + 21278307791.

It is an arithmetic number, because the mean of its divisors is an integer number (31917461685).

Almost surely, 2^85113231158 is an apocalyptic number.

85113231158 is a deficient number, since it is larger than the sum of its proper divisors (42556615582).

85113231158 is a wasteful number, since it uses less digits than its factorization.

85113231158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42556615581.

The product of its digits is 28800, while the sum is 38.

The spelling of 85113231158 in words is "eighty-five billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred fifty-eight".