11512054313665 has 8 divisors (see below), whose sum is σ = 13814518614120. Its totient is φ = 9209607825792.

The previous prime is 11512054313651. The next prime is 11512054313693. The reversal of 11512054313665 is 56631345021511.

11512054313665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1807938403216 + 9704115910449 = 1344596^2 + 3115143^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11512054313665 - 2²¹ = 11512052216513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2987454 + ... + 5652343.

It is an arithmetic number, because the mean of its divisors is an integer number (1726814826765).

Almost surely, 2^{11512054313665} is an apocalyptic number.

It is an amenable number.

11512054313665 is a deficient number, since it is larger than the sum of its proper divisors (2302464300455).

11512054313665 is an equidigital number, since it uses as much as digits as its factorization.

11512054313665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906291.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 11512054313665 in words is "eleven trillion, five hundred twelve billion, fifty-four million, three hundred thirteen thousand, six hundred sixty-five".