11320132520 has 32 divisors (see below), whose sum is σ = 25722488520. Its totient is φ = 4483219200.

The previous prime is 11320132519. The next prime is 11320132547. The reversal of 11320132520 is 2523102311.

It can be written as a sum of positive squares in 4 ways, for example, as 10677915556 + 642216964 = 103334^2 + 25342^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11320132492 and 11320132501.

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, 1396967 + ... + 1405046.

Almost surely, 2^11320132520 is an apocalyptic number.

11320132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320132520 is an abundant number, since it is smaller than the sum of its proper divisors (14402356000).

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

11320132520 is a wasteful number, since it uses less digits than its factorization.

11320132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802125 (or 2802121 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 11320132520 its reverse (2523102311), we get a palindrome (13843234831).

The spelling of 11320132520 in words is "eleven billion, three hundred twenty million, one hundred thirty-two thousand, five hundred twenty".