11526314312231 has 4 divisors (see below), whose sum is σ = 11526425769264. Its totient is φ = 11526202855200.

The previous prime is 11526314312173. The next prime is 11526314312237. The reversal of 11526314312231 is 13221341362511.

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-11526314312231 is a prime.

It is a super-2 number, since 2×11526314312231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11526314312191 and 11526314312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11526314312237) 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, 55573250 + ... + 55780271.

It is an arithmetic number, because the mean of its divisors is an integer number (2881606442316).

Almost surely, 2^{11526314312231} is an apocalyptic number.

11526314312231 is a deficient number, since it is larger than the sum of its proper divisors (111457033).

11526314312231 is a wasteful number, since it uses less digits than its factorization.

11526314312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111457032.

The product of its digits is 25920, while the sum is 35.

Adding to 11526314312231 its reverse (13221341362511), we get a palindrome (24747655674742).

The spelling of 11526314312231 in words is "eleven trillion, five hundred twenty-six billion, three hundred fourteen million, three hundred twelve thousand, two hundred thirty-one".