11451316235431 has 16 divisors (see below), whose sum is σ = 11858231893248. Its totient is φ = 11053291233600.

The previous prime is 11451316235389. The next prime is 11451316235449. The reversal of 11451316235431 is 13453261315411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11451316235431 is a prime.

It is a super-2 number, since 2×11451316235431² (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 (11451316235461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6608830 + ... + 8159611.

It is an arithmetic number, because the mean of its divisors is an integer number (741139493328).

Almost surely, 2^{11451316235431} is an apocalyptic number.

11451316235431 is a deficient number, since it is larger than the sum of its proper divisors (406915657817).

11451316235431 is a wasteful number, since it uses less digits than its factorization.

11451316235431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14768742.

The product of its digits is 129600, while the sum is 40.

The spelling of 11451316235431 in words is "eleven trillion, four hundred fifty-one billion, three hundred sixteen million, two hundred thirty-five thousand, four hundred thirty-one".