11532115542 has 32 divisors (see below), whose sum is σ = 23270548320. Its totient is φ = 3809802240.

The previous prime is 11532115523. The next prime is 11532115547. The reversal of 11532115542 is 24551123511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532115547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292992 + ... + 330012.

It is an arithmetic number, because the mean of its divisors is an integer number (727204635).

Almost surely, 2^11532115542 is an apocalyptic number.

11532115542 is an abundant number, since it is smaller than the sum of its proper divisors (11738432778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11532115542 is a wasteful number, since it uses less digits than its factorization.

11532115542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37488.

The product of its digits is 6000, while the sum is 30.

The spelling of 11532115542 in words is "eleven billion, five hundred thirty-two million, one hundred fifteen thousand, five hundred forty-two".