11013524531 has 2 divisors, whose sum is σ = 11013524532. Its totient is φ = 11013524530.

The previous prime is 11013524453. The next prime is 11013524551. The reversal of 11013524531 is 13542531011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013524531 is a prime.

It is a super-2 number, since 2×11013524531² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11013524531.

It is not a weakly prime, because it can be changed into another prime (11013524551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506762265 + 5506762266.

It is an arithmetic number, because the mean of its divisors is an integer number (5506762266).

Almost surely, 2^11013524531 is an apocalyptic number.

11013524531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013524531 is an equidigital number, since it uses as much as digits as its factorization.

11013524531 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 11013524531 in words is "eleven billion, thirteen million, five hundred twenty-four thousand, five hundred thirty-one".