11436520114231 has 4 divisors (see below), whose sum is σ = 11439676761552. Its totient is φ = 11433363466912.

The previous prime is 11436520114213. The next prime is 11436520114309. The reversal of 11436520114231 is 13241102563411.

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 11436520114231 - 2²⁷ = 11436385896503 is a prime.

It is a super-2 number, since 2×11436520114231² (a number of 27 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 (11436520114031) 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, 1578318226 + ... + 1578325471.

It is an arithmetic number, because the mean of its divisors is an integer number (2859919190388).

Almost surely, 2^{11436520114231} is an apocalyptic number.

11436520114231 is a deficient number, since it is larger than the sum of its proper divisors (3156647321).

11436520114231 is an equidigital number, since it uses as much as digits as its factorization.

11436520114231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156647320.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 11436520114231 its reverse (13241102563411), we get a palindrome (24677622677642).

The spelling of 11436520114231 in words is "eleven trillion, four hundred thirty-six billion, five hundred twenty million, one hundred fourteen thousand, two hundred thirty-one".