83121353113118 has 16 divisors (see below), whose sum is σ = 124752060044640. Its totient is φ = 41537339155296.

The previous prime is 83121353113091. The next prime is 83121353113129. The reversal of 83121353113118 is 81131135312138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26005871 + ... + 29026677.

It is an arithmetic number, because the mean of its divisors is an integer number (7797003752790).

Almost surely, 2^{83121353113118} is an apocalyptic number.

83121353113118 is a deficient number, since it is larger than the sum of its proper divisors (41630706931522).

83121353113118 is a wasteful number, since it uses less digits than its factorization.

83121353113118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028531.

The product of its digits is 51840, while the sum is 41.

The spelling of 83121353113118 in words is "eighty-three trillion, one hundred twenty-one billion, three hundred fifty-three million, one hundred thirteen thousand, one hundred eighteen".