2115791339776 has 27 divisors (see below), whose sum is σ = 4223364325663. Its totient is φ = 1057884033280.

The previous prime is 2115791339749. The next prime is 2115791339777. The reversal of 2115791339776 is 6779331975112.

The square root of 2115791339776 is 1454576.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2115791339776² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115791339777) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23227761 + ... + 23318671.

Almost surely, 2^{2115791339776} is an apocalyptic number.

2115791339776 is the 1454576-th square number.

It is an amenable number.

2115791339776 is a deficient number, since it is larger than the sum of its proper divisors (2107572985887).

2115791339776 is an frugal number, since it uses more digits than its factorization.

2115791339776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181838 (or 90913 counting only the distinct ones).

The product of its digits is 15002820, while the sum is 61.

The spelling of 2115791339776 in words is "two trillion, one hundred fifteen billion, seven hundred ninety-one million, three hundred thirty-nine thousand, seven hundred seventy-six".