11510431523 has 2 divisors, whose sum is σ = 11510431524. Its totient is φ = 11510431522.

The previous prime is 11510431511. The next prime is 11510431529. The reversal of 11510431523 is 32513401511.

It is a strong prime.

It is an emirp because it is prime and its reverse (32513401511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11510431523 - 2²⁰ = 11509382947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11510431492 and 11510431501.

It is not a weakly prime, because it can be changed into another prime (11510431529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5755215761 + 5755215762.

It is an arithmetic number, because the mean of its divisors is an integer number (5755215762).

Almost surely, 2^11510431523 is an apocalyptic number.

11510431523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11510431523 is an equidigital number, since it uses as much as digits as its factorization.

11510431523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 11510431523 in words is "eleven billion, five hundred ten million, four hundred thirty-one thousand, five hundred twenty-three".