11520514643431 has 2 divisors, whose sum is σ = 11520514643432. Its totient is φ = 11520514643430.

The previous prime is 11520514643419. The next prime is 11520514643459. The reversal of 11520514643431 is 13434641502511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11520514643431 - 2¹⁷ = 11520514512359 is a prime.

It is a super-2 number, since 2×11520514643431² (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 (11520514643731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760257321715 + 5760257321716.

It is an arithmetic number, because the mean of its divisors is an integer number (5760257321716).

Almost surely, 2^{11520514643431} is an apocalyptic number.

11520514643431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520514643431 is an equidigital number, since it uses as much as digits as its factorization.

11520514643431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 11520514643431 in words is "eleven trillion, five hundred twenty billion, five hundred fourteen million, six hundred forty-three thousand, four hundred thirty-one".