985111275 has 48 divisors (see below), whose sum is σ = 1723032576. Its totient is φ = 495601920.

The previous prime is 985111249. The next prime is 985111289. The reversal of 985111275 is 572111589.

It is not a de Polignac number, because 985111275 - 2⁵ = 985111243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122014 + ... + 129836.

It is an arithmetic number, because the mean of its divisors is an integer number (35896512).

Almost surely, 2^985111275 is an apocalyptic number.

985111275 is a deficient number, since it is larger than the sum of its proper divisors (737921301).

985111275 is a wasteful number, since it uses less digits than its factorization.

985111275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932 (or 7927 counting only the distinct ones).

The product of its digits is 25200, while the sum is 39.

The square root of 985111275 is about 31386.4823610420. The cubic root of 985111275 is about 995.0122554318.

The spelling of 985111275 in words is "nine hundred eighty-five million, one hundred eleven thousand, two hundred seventy-five".