1113402400442 has 4 divisors (see below), whose sum is σ = 1670103600666. Its totient is φ = 556701200220.

The previous prime is 1113402400427. The next prime is 1113402400471. The reversal of 1113402400442 is 2440042043111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 798433389601 + 314969010841 = 893551^2 + 561221^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278350600109 + ... + 278350600112.

Almost surely, 2^{1113402400442} is an apocalyptic number.

1113402400442 is a deficient number, since it is larger than the sum of its proper divisors (556701200224).

1113402400442 is an equidigital number, since it uses as much as digits as its factorization.

1113402400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556701200223.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1113402400442 its reverse (2440042043111), we get a palindrome (3553444443553).

The spelling of 1113402400442 in words is "one trillion, one hundred thirteen billion, four hundred two million, four hundred thousand, four hundred forty-two".