11608331520 has 144 divisors (see below), whose sum is σ = 37582880832. Its totient is φ = 3053076480.

The previous prime is 11608331513. The next prime is 11608331521. The reversal of 11608331520 is 2513380611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11608331521) 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, 259615 + ... + 301025.

It is an arithmetic number, because the mean of its divisors is an integer number (260992228).

Almost surely, 2^11608331520 is an apocalyptic number.

11608331520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11608331520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18791440416).

11608331520 is an abundant number, since it is smaller than the sum of its proper divisors (25974549312).

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

11608331520 is an equidigital number, since it uses as much as digits as its factorization.

11608331520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41508 (or 41494 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11608331520 in words is "eleven billion, six hundred eight million, three hundred thirty-one thousand, five hundred twenty".