11224400124 has 48 divisors (see below), whose sum is σ = 29938680576. Its totient is φ = 3206227200.

The previous prime is 11224400101. The next prime is 11224400141. The reversal of 11224400124 is 42100442211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11224400124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421444 + ... + 447284.

It is an arithmetic number, because the mean of its divisors is an integer number (623722512).

Almost surely, 2^11224400124 is an apocalyptic number.

11224400124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11224400124 is an abundant number, since it is smaller than the sum of its proper divisors (18714280452).

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

11224400124 is a wasteful number, since it uses less digits than its factorization.

11224400124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31026 (or 31024 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11224400124 its reverse (42100442211), we get a palindrome (53324842335).

The spelling of 11224400124 in words is "eleven billion, two hundred twenty-four million, four hundred thousand, one hundred twenty-four".