1113402400002 has 80 divisors (see below), whose sum is σ = 2548414725120. Its totient is φ = 363168271872.

The previous prime is 1113402399961. The next prime is 1113402400027. The reversal of 1113402400002 is 2000042043111.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53112399 + ... + 53133357.

It is an arithmetic number, because the mean of its divisors is an integer number (31855184064).

Almost surely, 2^{1113402400002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113402400002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274207362560).

1113402400002 is an abundant number, since it is smaller than the sum of its proper divisors (1435012325118).

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

1113402400002 is a wasteful number, since it uses less digits than its factorization.

1113402400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27997 (or 27988 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1113402400002 its reverse (2000042043111), we get a palindrome (3113444443113).

The spelling of 1113402400002 in words is "one trillion, one hundred thirteen billion, four hundred two million, four hundred thousand, two".