11550075231 has 8 divisors (see below), whose sum is σ = 15401486464. Its totient is φ = 7699357080.

The previous prime is 11550075181. The next prime is 11550075241. The reversal of 11550075231 is 13257005511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11550075231 - 2²⁶ = 11482966367 is a prime.

It is a super-2 number, since 2×11550075231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550075241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133051 + ... + 201996.

It is an arithmetic number, because the mean of its divisors is an integer number (1925185808).

Almost surely, 2^11550075231 is an apocalyptic number.

11550075231 is a deficient number, since it is larger than the sum of its proper divisors (3851411233).

11550075231 is a wasteful number, since it uses less digits than its factorization.

11550075231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346541.

The product of its (nonzero) digits is 5250, while the sum is 30.

The spelling of 11550075231 in words is "eleven billion, five hundred fifty million, seventy-five thousand, two hundred thirty-one".