83121103124115 has 64 divisors (see below), whose sum is σ = 156364167038976. Its totient is φ = 36919316708352.

The previous prime is 83121103124093. The next prime is 83121103124179. The reversal of 83121103124115 is 51142130112138.

83121103124115 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 83121103124115 - 2⁵ = 83121103124083 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, 71933634 + ... + 73080023.

It is an arithmetic number, because the mean of its divisors is an integer number (2443190109984).

Almost surely, 2^{83121103124115} is an apocalyptic number.

83121103124115 is a deficient number, since it is larger than the sum of its proper divisors (73243063914861).

83121103124115 is a wasteful number, since it uses less digits than its factorization.

83121103124115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145013828.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 83121103124115 in words is "eighty-three trillion, one hundred twenty-one billion, one hundred three million, one hundred twenty-four thousand, one hundred fifteen".