11550165134 has 4 divisors (see below), whose sum is σ = 17325247704. Its totient is φ = 5775082566.

The previous prime is 11550165103. The next prime is 11550165157. The reversal of 11550165134 is 43156105511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43156105511 = 269 ⋅160431619.

It is a self number, because there is not a number n which added to its sum of digits gives 11550165134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2887541282 + ... + 2887541285.

It is an arithmetic number, because the mean of its divisors is an integer number (4331311926).

Almost surely, 2^11550165134 is an apocalyptic number.

11550165134 is a deficient number, since it is larger than the sum of its proper divisors (5775082570).

11550165134 is an equidigital number, since it uses as much as digits as its factorization.

11550165134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775082569.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 11550165134 in words is "eleven billion, five hundred fifty million, one hundred sixty-five thousand, one hundred thirty-four".