2115325971937 has 8 divisors (see below), whose sum is σ = 2134770399080. Its totient is φ = 2095882231680.

The previous prime is 2115325971919. The next prime is 2115325971991. The reversal of 2115325971937 is 7391795235112.

It can be written as a sum of positive squares in 4 ways, for example, as 1571089271761 + 544236700176 = 1253431^2 + 737724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115325971937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115325971917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7641487 + ... + 7913467.

It is an arithmetic number, because the mean of its divisors is an integer number (266846299885).

Almost surely, 2^{2115325971937} is an apocalyptic number.

It is an amenable number.

2115325971937 is a deficient number, since it is larger than the sum of its proper divisors (19444427143).

2115325971937 is a wasteful number, since it uses less digits than its factorization.

2115325971937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343443.

The product of its digits is 3572100, while the sum is 55.

The spelling of 2115325971937 in words is "two trillion, one hundred fifteen billion, three hundred twenty-five million, nine hundred seventy-one thousand, nine hundred thirty-seven".