11153531032 has 64 divisors (see below), whose sum is σ = 24205043520. Its totient is φ = 4719403008.

The previous prime is 11153530933. The next prime is 11153531083. The reversal of 11153531032 is 23013535111.

It is a junction number, because it is equal to n+sod(n) for n = 11153530988 and 11153531006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2480178 + ... + 2484670.

It is an arithmetic number, because the mean of its divisors is an integer number (378203805).

Almost surely, 2^11153531032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11153531032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12102521760).

11153531032 is an abundant number, since it is smaller than the sum of its proper divisors (13051512488).

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

11153531032 is a wasteful number, since it uses less digits than its factorization.

11153531032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The spelling of 11153531032 in words is "eleven billion, one hundred fifty-three million, five hundred thirty-one thousand, thirty-two".