83111011137 has 96 divisors (see below), whose sum is σ = 150978836736. Its totient is φ = 42799104000.

The previous prime is 83111011099. The next prime is 83111011141. The reversal of 83111011137 is 73111011138.

It is not a de Polignac number, because 83111011137 - 2¹⁰ = 83111010113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83111011137.

It is not an unprimeable number, because it can be changed into a prime (83111011147) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51911137 + ... + 51912737.

It is an arithmetic number, because the mean of its divisors is an integer number (1572696216).

Almost surely, 2^83111011137 is an apocalyptic number.

It is an amenable number.

83111011137 is a deficient number, since it is larger than the sum of its proper divisors (67867825599).

83111011137 is a wasteful number, since it uses less digits than its factorization.

83111011137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

Subtracting from 83111011137 its reverse (73111011138), we obtain a palindrome (9999999999).

The spelling of 83111011137 in words is "eighty-three billion, one hundred eleven million, eleven thousand, one hundred thirty-seven".