11552455231 has 4 divisors (see below), whose sum is σ = 11552712264. Its totient is φ = 11552198200.

The previous prime is 11552455153. The next prime is 11552455253. The reversal of 11552455231 is 13255425511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11552455231 is a prime.

It is a super-2 number, since 2×11552455231² (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 (11552455331) 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, 41425 + ... + 157546.

It is an arithmetic number, because the mean of its divisors is an integer number (2888178066).

Almost surely, 2^11552455231 is an apocalyptic number.

11552455231 is a deficient number, since it is larger than the sum of its proper divisors (257033).

11552455231 is an equidigital number, since it uses as much as digits as its factorization.

11552455231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257032.

The product of its digits is 30000, while the sum is 34.

The spelling of 11552455231 in words is "eleven billion, five hundred fifty-two million, four hundred fifty-five thousand, two hundred thirty-one".