1113377999 has 2 divisors, whose sum is σ = 1113378000. Its totient is φ = 1113377998.

The previous prime is 1113377983. The next prime is 1113378011. The reversal of 1113377999 is 9997733111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113377999 - 2⁴ = 1113377983 is a prime.

It is a super-2 number, since 2×1113377999² = 2479221137314488002, which contains 22 as substring.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113377929) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556688999 + 556689000.

It is an arithmetic number, because the mean of its divisors is an integer number (556689000).

Almost surely, 2^1113377999 is an apocalyptic number.

1113377999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113377999 is an equidigital number, since it uses as much as digits as its factorization.

1113377999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 321489, while the sum is 50.

The square root of 1113377999 is about 33367.3193259513. The cubic root of 1113377999 is about 1036.4480649455.

The spelling of 1113377999 in words is "one billion, one hundred thirteen million, three hundred seventy-seven thousand, nine hundred ninety-nine".