11401133400 has 96 divisors (see below), whose sum is σ = 39270589200. Its totient is φ = 3040300800.

The previous prime is 11401133377. The next prime is 11401133431. The reversal of 11401133400 is 433110411.

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

It is a congruent number.

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, 1050261 + ... + 1061060.

Almost surely, 2^11401133400 is an apocalyptic number.

11401133400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11401133400 is an abundant number, since it is smaller than the sum of its proper divisors (27869455800).

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

11401133400 is a wasteful number, since it uses less digits than its factorization.

11401133400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111346 (or 2111331 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11401133400 its reverse (433110411), we get a palindrome (11834243811).

The spelling of 11401133400 in words is "eleven billion, four hundred one million, one hundred thirty-three thousand, four hundred".