1113430421400 has 384 divisors, whose sum is σ = 3797789068800. Its totient is φ = 267609600000.

The previous prime is 1113430421353. The next prime is 1113430421491. The reversal of 1113430421400 is 41240343111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 806248710 + ... + 806250090.

It is an arithmetic number, because the mean of its divisors is an integer number (9890075700).

Almost surely, 2^{1113430421400} is an apocalyptic number.

1113430421400 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 1113430421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898894534400).

1113430421400 is an abundant number, since it is smaller than the sum of its proper divisors (2684358647400).

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

1113430421400 is a wasteful number, since it uses less digits than its factorization.

1113430421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1113430421400 its reverse (41240343111), we get a palindrome (1154670764511).

The spelling of 1113430421400 in words is "one trillion, one hundred thirteen billion, four hundred thirty million, four hundred twenty-one thousand, four hundred".