11636142640265 has 16 divisors (see below), whose sum is σ = 16404519974976. Its totient is φ = 7811676177600.

The previous prime is 11636142640223. The next prime is 11636142640333. The reversal of 11636142640265 is 56204624163611.

It is not a de Polignac number, because 11636142640265 - 2⁸ = 11636142640009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8137161971 + ... + 8137163400.

It is an arithmetic number, because the mean of its divisors is an integer number (1025282498436).

Almost surely, 2^{11636142640265} is an apocalyptic number.

It is an amenable number.

11636142640265 is a deficient number, since it is larger than the sum of its proper divisors (4768377334711).

11636142640265 is a wasteful number, since it uses less digits than its factorization.

11636142640265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16274325400.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 11636142640265 in words is "eleven trillion, six hundred thirty-six billion, one hundred forty-two million, six hundred forty thousand, two hundred sixty-five".