985155137317 has 8 divisors (see below), whose sum is σ = 1060949594880. Its totient is φ = 909362578800.

The previous prime is 985155137293. The next prime is 985155137333. The reversal of 985155137317 is 713731551589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 985155137317 - 2⁷ = 985155137189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985155135317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712692 + ... + 1574242.

It is an arithmetic number, because the mean of its divisors is an integer number (132618699360).

Almost surely, 2^985155137317 is an apocalyptic number.

It is an amenable number.

985155137317 is a deficient number, since it is larger than the sum of its proper divisors (75794457563).

985155137317 is a wasteful number, since it uses less digits than its factorization.

985155137317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949523.

The product of its digits is 3969000, while the sum is 55.

The spelling of 985155137317 in words is "nine hundred eighty-five billion, one hundred fifty-five million, one hundred thirty-seven thousand, three hundred seventeen".