11103397400 has 24 divisors (see below), whose sum is σ = 25815399420. Its totient is φ = 4441358880.

The previous prime is 11103397399. The next prime is 11103397447. The reversal of 11103397400 is 479330111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27758294 + ... + 27758693.

Almost surely, 2^11103397400 is an apocalyptic number.

11103397400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103397400 is an abundant number, since it is smaller than the sum of its proper divisors (14712002020).

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

11103397400 is a wasteful number, since it uses less digits than its factorization.

11103397400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55517003 (or 55516994 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 11103397400 in words is "eleven billion, one hundred three million, three hundred ninety-seven thousand, four hundred".