985155137315 has 64 divisors (see below), whose sum is σ = 1327540492800. Its totient is φ = 697441388544.

The previous prime is 985155137293. The next prime is 985155137333. The reversal of 985155137315 is 513731551589.

It is not a de Polignac number, because 985155137315 - 2¹⁰ = 985155136291 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162751829 + ... + 162757881.

It is an arithmetic number, because the mean of its divisors is an integer number (20742820200).

Almost surely, 2^985155137315 is an apocalyptic number.

985155137315 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

985155137315 is a deficient number, since it is larger than the sum of its proper divisors (342385355485).

985155137315 is a wasteful number, since it uses less digits than its factorization.

985155137315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836.

The product of its digits is 2835000, while the sum is 53.

The spelling of 985155137315 in words is "nine hundred eighty-five billion, one hundred fifty-five million, one hundred thirty-seven thousand, three hundred fifteen".