1113421410243 has 16 divisors (see below), whose sum is σ = 1658059908640. Its totient is φ = 738434921472.

The previous prime is 1113421410229. The next prime is 1113421410251. The reversal of 1113421410243 is 3420141243111.

It is a happy number.

1113421410243 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 4 + 2 + 1 + 410 + 243 = 666.

It is not a de Polignac number, because 1113421410243 - 2¹² = 1113421406147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113421410263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106828546 + ... + 106838967.

It is an arithmetic number, because the mean of its divisors is an integer number (103628744290).

Almost surely, 2^{1113421410243} is an apocalyptic number.

1113421410243 is a deficient number, since it is larger than the sum of its proper divisors (544638498397).

1113421410243 is a wasteful number, since it uses less digits than its factorization.

1113421410243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213667715 (or 213667709 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1113421410243 its reverse (3420141243111), we get a palindrome (4533562653354).

The spelling of 1113421410243 in words is "one trillion, one hundred thirteen billion, four hundred twenty-one million, four hundred ten thousand, two hundred forty-three".