11230511400 has 144 divisors (see below), whose sum is σ = 37747881600. Its totient is φ = 2992256640.

The previous prime is 11230511387. The next prime is 11230511417. The reversal of 11230511400 is 411503211.

11230511400 is a `hidden beast` number, since 112 + 3 + 0 + 511 + 40 + 0 = 666.

It is a super-2 number, since 2×11230511400² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3164427 + ... + 3167973.

Almost surely, 2^11230511400 is an apocalyptic number.

11230511400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11230511400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18873940800).

11230511400 is an abundant number, since it is smaller than the sum of its proper divisors (26517370200).

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

11230511400 is a wasteful number, since it uses less digits than its factorization.

11230511400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328 (or 5316 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The spelling of 11230511400 in words is "eleven billion, two hundred thirty million, five hundred eleven thousand, four hundred".