5581117498 has 24 divisors (see below), whose sum is σ = 9212767956. Its totient is φ = 2533882560.

The previous prime is 5581117471. The next prime is 5581117501. The reversal of 5581117498 is 8947111855.

It can be written as a sum of positive squares in 2 ways, for example, as 5410632249 + 170485249 = 73557^2 + 13057^2 .

It is a super-2 number, since 2×5581117498² = 62297745052963560008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199086 + ... + 225382.

Almost surely, 2^5581117498 is an apocalyptic number.

5581117498 is a deficient number, since it is larger than the sum of its proper divisors (3631650458).

5581117498 is a wasteful number, since it uses less digits than its factorization.

5581117498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27198 (or 27187 counting only the distinct ones).

The product of its digits is 403200, while the sum is 49.

The square root of 5581117498 is about 74706.8771800830. The cubic root of 5581117498 is about 1773.8098215107.

The spelling of 5581117498 in words is "five billion, five hundred eighty-one million, one hundred seventeen thousand, four hundred ninety-eight".