11040012400 has 60 divisors (see below), whose sum is σ = 26535132000. Its totient is φ = 4414090240.

The previous prime is 11040012371. The next prime is 11040012419. The reversal of 11040012400 is 421004011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1243176 + ... + 1252024.

It is an arithmetic number, because the mean of its divisors is an integer number (442252200).

Almost surely, 2^11040012400 is an apocalyptic number.

11040012400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11040012400 is an abundant number, since it is smaller than the sum of its proper divisors (15495119600).

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

11040012400 is a wasteful number, since it uses less digits than its factorization.

11040012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986 (or 11975 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11040012400 its reverse (421004011), we get a palindrome (11461016411).

The spelling of 11040012400 in words is "eleven billion, forty million, twelve thousand, four hundred".