11532412511 has 4 divisors (see below), whose sum is σ = 11603163672. Its totient is φ = 11461661352.

The previous prime is 11532412481. The next prime is 11532412537. The reversal of 11532412511 is 11521423511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11532412511 - 2¹⁰ = 11532411487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532412561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35375336 + ... + 35375661.

It is an arithmetic number, because the mean of its divisors is an integer number (2900790918).

Almost surely, 2^11532412511 is an apocalyptic number.

11532412511 is a deficient number, since it is larger than the sum of its proper divisors (70751161).

11532412511 is an equidigital number, since it uses as much as digits as its factorization.

11532412511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70751160.

The product of its digits is 1200, while the sum is 26.

The spelling of 11532412511 in words is "eleven billion, five hundred thirty-two million, four hundred twelve thousand, five hundred eleven".