11665423883135 has 32 divisors (see below), whose sum is σ = 16323721344000. Its totient is φ = 7917148729600.

The previous prime is 11665423883131. The next prime is 11665423883137. The reversal of 11665423883135 is 53138832456611.

It is not a de Polignac number, because 11665423883135 - 2² = 11665423883131 is a prime.

It is a super-2 number, since 2×11665423883135² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11665423883131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112407635 + ... + 112511364.

It is an arithmetic number, because the mean of its divisors is an integer number (510116292000).

Almost surely, 2^{11665423883135} is an apocalyptic number.

11665423883135 is a deficient number, since it is larger than the sum of its proper divisors (4658297460865).

11665423883135 is a wasteful number, since it uses less digits than its factorization.

11665423883135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224919079.

The product of its digits is 12441600, while the sum is 56.

The spelling of 11665423883135 in words is "eleven trillion, six hundred sixty-five billion, four hundred twenty-three million, eight hundred eighty-three thousand, one hundred thirty-five".