11665056151511 has 12 divisors (see below), whose sum is σ = 13900519876320. Its totient is φ = 9754750787040.

The previous prime is 11665056151477. The next prime is 11665056151571. The reversal of 11665056151511 is 11515165056611.

It is not a de Polignac number, because 11665056151511 - 2²⁶ = 11664989042647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665056151571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2903197631 + ... + 2903201648.

It is an arithmetic number, because the mean of its divisors is an integer number (1158376656360).

Almost surely, 2^{11665056151511} is an apocalyptic number.

11665056151511 is a deficient number, since it is larger than the sum of its proper divisors (2235463724809).

11665056151511 is an equidigital number, since it uses as much as digits as its factorization.

11665056151511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806399334 (or 5806399327 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 44.

The spelling of 11665056151511 in words is "eleven trillion, six hundred sixty-five billion, fifty-six million, one hundred fifty-one thousand, five hundred eleven".