2115325901056 has 27 divisors (see below), whose sum is σ = 4222435261233. Its totient is φ = 1057651315200.

The previous prime is 2115325901053. The next prime is 2115325901057. The reversal of 2115325901056 is 6501095235112.

The square root of 2115325901056 is 1454416.

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

It can be written as a sum of positive squares in only one way, i.e., 280493107456 + 1834832793600 = 529616^2 + 1354560^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115325901053) 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, 23225206 + ... + 23316106.

Almost surely, 2^{2115325901056} is an apocalyptic number.

2115325901056 is the 1454416-th square number.

It is an amenable number.

2115325901056 is a deficient number, since it is larger than the sum of its proper divisors (2107109360177).

2115325901056 is an frugal number, since it uses more digits than its factorization.

2115325901056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181818 (or 90903 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 2115325901056 in words is "two trillion, one hundred fifteen billion, three hundred twenty-five million, nine hundred one thousand, fifty-six".