5555115999 has 20 divisors (see below), whose sum is σ = 8309793096. Its totient is φ = 3698318736.

The previous prime is 5555115991. The next prime is 5555116019. The reversal of 5555115999 is 9995115555.

It is not a de Polignac number, because 5555115999 - 2³ = 5555115991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555115991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12592 + ... + 106154.

Almost surely, 2^5555115999 is an apocalyptic number.

5555115999 is a deficient number, since it is larger than the sum of its proper divisors (2754677097).

5555115999 is an equidigital number, since it uses as much as digits as its factorization.

5555115999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94308 (or 94299 counting only the distinct ones).

The product of its digits is 2278125, while the sum is 54.

The square root of 5555115999 is about 74532.6505566520. The cubic root of 5555115999 is about 1771.0509042184.

The spelling of 5555115999 in words is "five billion, five hundred fifty-five million, one hundred fifteen thousand, nine hundred ninety-nine".