11052505531 has 2 divisors, whose sum is σ = 11052505532. Its totient is φ = 11052505530.

The previous prime is 11052505517. The next prime is 11052505589. The reversal of 11052505531 is 13550525011.

It is a weak prime.

It is an emirp because it is prime and its reverse (13550525011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11052505531 - 2⁷ = 11052505403 is a prime.

It is a super-2 number, since 2×11052505531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11052505531.

It is not a weakly prime, because it can be changed into another prime (11052505591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5526252765 + 5526252766.

It is an arithmetic number, because the mean of its divisors is an integer number (5526252766).

Almost surely, 2^11052505531 is an apocalyptic number.

11052505531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11052505531 is an equidigital number, since it uses as much as digits as its factorization.

11052505531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 11052505531 in words is "eleven billion, fifty-two million, five hundred five thousand, five hundred thirty-one".