1113626399 has 2 divisors, whose sum is σ = 1113626400. Its totient is φ = 1113626398.

The previous prime is 1113626387. The next prime is 1113626441. The reversal of 1113626399 is 9936263111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113626399 - 2⁴ = 1113626383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113626329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556813199 + 556813200.

It is an arithmetic number, because the mean of its divisors is an integer number (556813200).

Almost surely, 2^1113626399 is an apocalyptic number.

1113626399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113626399 is an equidigital number, since it uses as much as digits as its factorization.

1113626399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 1113626399 is about 33371.0413232791. The cubic root of 1113626399 is about 1036.5251380676.

The spelling of 1113626399 in words is "one billion, one hundred thirteen million, six hundred twenty-six thousand, three hundred ninety-nine".