11100401400 has 96 divisors (see below), whose sum is σ = 37539561600. Its totient is φ = 2691004800.

The previous prime is 11100401393. The next prime is 11100401441. The reversal of 11100401400 is 410400111.

It is a super-3 number, since 3×11100401400³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 834340 + ... + 847539.

It is an arithmetic number, because the mean of its divisors is an integer number (391037100).

Almost surely, 2^11100401400 is an apocalyptic number.

11100401400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100401400 is an abundant number, since it is smaller than the sum of its proper divisors (26439160200).

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

11100401400 is a wasteful number, since it uses less digits than its factorization.

11100401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681909 (or 1681900 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11100401400 its reverse (410400111), we get a palindrome (11510801511).

The spelling of 11100401400 in words is "eleven billion, one hundred million, four hundred one thousand, four hundred".