11655550157099 has 4 divisors (see below), whose sum is σ = 11819712835440. Its totient is φ = 11491387478760.

The previous prime is 11655550157087. The next prime is 11655550157123. The reversal of 11655550157099 is 99075105555611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11655550157099 - 2²⁰ = 11655549108523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11655550157029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82081339064 + ... + 82081339205.

It is an arithmetic number, because the mean of its divisors is an integer number (2954928208860).

Almost surely, 2^{11655550157099} is an apocalyptic number.

11655550157099 is a deficient number, since it is larger than the sum of its proper divisors (164162678341).

11655550157099 is an equidigital number, since it uses as much as digits as its factorization.

11655550157099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164162678340.

The product of its (nonzero) digits is 10631250, while the sum is 59.

The spelling of 11655550157099 in words is "eleven trillion, six hundred fifty-five billion, five hundred fifty million, one hundred fifty-seven thousand, ninety-nine".