2116315040565 has 64 divisors (see below), whose sum is σ = 4013779968000. Its totient is φ = 940729593600.

The previous prime is 2116315040537. The next prime is 2116315040579. The reversal of 2116315040565 is 5650405136112.

It is not a de Polignac number, because 2116315040565 - 2⁶ = 2116315040501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10790890 + ... + 10985259.

It is an arithmetic number, because the mean of its divisors is an integer number (62715312000).

Almost surely, 2^{2116315040565} is an apocalyptic number.

It is an amenable number.

2116315040565 is a deficient number, since it is larger than the sum of its proper divisors (1897464927435).

2116315040565 is a wasteful number, since it uses less digits than its factorization.

2116315040565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21776218.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 2116315040565 in words is "two trillion, one hundred sixteen billion, three hundred fifteen million, forty thousand, five hundred sixty-five".