11520021400232 has 64 divisors (see below), whose sum is σ = 23128026007680. Its totient is φ = 5370718010112.

The previous prime is 11520021400159. The next prime is 11520021400319. The reversal of 11520021400232 is 23200412002511.

It is a junction number, because it is equal to n+sod(n) for n = 11520021400198 and 11520021400207.

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, 7864028 + ... + 9213195.

It is an arithmetic number, because the mean of its divisors is an integer number (361375406370).

Almost surely, 2^{11520021400232} is an apocalyptic number.

It is an amenable number.

11520021400232 is an abundant number, since it is smaller than the sum of its proper divisors (11608004607448).

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

11520021400232 is a wasteful number, since it uses less digits than its factorization.

11520021400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17077362 (or 17077358 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11520021400232 its reverse (23200412002511), we get a palindrome (34720433402743).

The spelling of 11520021400232 in words is "eleven trillion, five hundred twenty billion, twenty-one million, four hundred thousand, two hundred thirty-two".