11553464237431 has 2 divisors, whose sum is σ = 11553464237432. Its totient is φ = 11553464237430.

The previous prime is 11553464237407. The next prime is 11553464237503. The reversal of 11553464237431 is 13473246435511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11553464237431 - 2²⁵ = 11553430682999 is a prime.

It is a super-2 number, since 2×11553464237431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11553464231431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776732118715 + 5776732118716.

It is an arithmetic number, because the mean of its divisors is an integer number (5776732118716).

Almost surely, 2^{11553464237431} is an apocalyptic number.

11553464237431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553464237431 is an equidigital number, since it uses as much as digits as its factorization.

11553464237431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 49.

The spelling of 11553464237431 in words is "eleven trillion, five hundred fifty-three billion, four hundred sixty-four million, two hundred thirty-seven thousand, four hundred thirty-one".