11532353520 has 40 divisors (see below), whose sum is σ = 35750296656. Its totient is φ = 3075294208.

The previous prime is 11532353513. The next prime is 11532353543. The reversal of 11532353520 is 2535323511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24025497 + ... + 24025976.

Almost surely, 2^11532353520 is an apocalyptic number.

11532353520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532353520 is an abundant number, since it is smaller than the sum of its proper divisors (24217943136).

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

11532353520 is a wasteful number, since it uses less digits than its factorization.

11532353520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48051489 (or 48051483 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 11532353520 in words is "eleven billion, five hundred thirty-two million, three hundred fifty-three thousand, five hundred twenty".