2115791581276 has 12 divisors (see below), whose sum is σ = 3709996374672. Its totient is φ = 1055792617088.

The previous prime is 2115791581249. The next prime is 2115791581349. The reversal of 2115791581276 is 6721851975112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525791125 + ... + 525795148.

It is an arithmetic number, because the mean of its divisors is an integer number (309166364556).

Almost surely, 2^{2115791581276} is an apocalyptic number.

It is an amenable number.

2115791581276 is a deficient number, since it is larger than the sum of its proper divisors (1594204793396).

2115791581276 is a wasteful number, since it uses less digits than its factorization.

2115791581276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051586780 (or 1051586778 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 55.

The spelling of 2115791581276 in words is "two trillion, one hundred fifteen billion, seven hundred ninety-one million, five hundred eighty-one thousand, two hundred seventy-six".