5811297498 has 24 divisors (see below), whose sum is σ = 12602460468. Its totient is φ = 1935358272.

The previous prime is 5811297473. The next prime is 5811297511. The reversal of 5811297498 is 8947921185.

It is a happy number.

5811297498 is a `hidden beast` number, since 58 + 1 + 12 + 97 + 498 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5037734529 + 773562969 = 70977^2 + 27813^2 .

It is a super-2 number, since 2×5811297498² = 67542357220522120008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124411 + ... + 164622.

Almost surely, 2^5811297498 is an apocalyptic number.

5811297498 is an abundant number, since it is smaller than the sum of its proper divisors (6791162970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5811297498 is a wasteful number, since it uses less digits than its factorization.

5811297498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290158 (or 290155 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The square root of 5811297498 is about 76231.8666831660. The cubic root of 5811297498 is about 1797.8675877483.

The spelling of 5811297498 in words is "five billion, eight hundred eleven million, two hundred ninety-seven thousand, four hundred ninety-eight".