11532542505 has 32 divisors (see below), whose sum is σ = 20134604160. Its totient is φ = 5590126080.

The previous prime is 11532542449. The next prime is 11532542513. The reversal of 11532542505 is 50524523511.

It is not a de Polignac number, because 11532542505 - 2⁷ = 11532542377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 988989 + ... + 1000581.

It is an arithmetic number, because the mean of its divisors is an integer number (629206380).

Almost surely, 2^11532542505 is an apocalyptic number.

11532542505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11532542505 is a deficient number, since it is larger than the sum of its proper divisors (8602061655).

11532542505 is a wasteful number, since it uses less digits than its factorization.

11532542505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17641.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 11532542505 in words is "eleven billion, five hundred thirty-two million, five hundred forty-two thousand, five hundred five".