11320052040 has 96 divisors (see below), whose sum is σ = 40134744000. Its totient is φ = 2744254080.

The previous prime is 11320052033. The next prime is 11320052077. The reversal of 11320052040 is 4025002311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1425340 + ... + 1433259.

It is an arithmetic number, because the mean of its divisors is an integer number (418070250).

Almost surely, 2^11320052040 is an apocalyptic number.

11320052040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320052040 is an abundant number, since it is smaller than the sum of its proper divisors (28814691960).

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

11320052040 is a wasteful number, since it uses less digits than its factorization.

11320052040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858627 (or 2858620 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 11320052040 its reverse (4025002311), we get a palindrome (15345054351).

The spelling of 11320052040 in words is "eleven billion, three hundred twenty million, fifty-two thousand, forty".