85615911135 has 24 divisors (see below), whose sum is σ = 153188041344. Its totient is φ = 44188856640.

The previous prime is 85615911131. The next prime is 85615911193. The reversal of 85615911135 is 53111951658.

85615911135 is a `hidden beast` number, since 8 + 5 + 615 + 9 + 11 + 13 + 5 = 666.

It is not a de Polignac number, because 85615911135 - 2² = 85615911131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85615911131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30685312 + ... + 30688101.

It is an arithmetic number, because the mean of its divisors is an integer number (6382835056).

Almost surely, 2^85615911135 is an apocalyptic number.

85615911135 is a deficient number, since it is larger than the sum of its proper divisors (67572130209).

85615911135 is a wasteful number, since it uses less digits than its factorization.

85615911135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61373455 (or 61373452 counting only the distinct ones).

The product of its digits is 162000, while the sum is 45.

The spelling of 85615911135 in words is "eighty-five billion, six hundred fifteen million, nine hundred eleven thousand, one hundred thirty-five".