5615259897 has 16 divisors (see below), whose sum is σ = 8280856640. Its totient is φ = 3362150592.

The previous prime is 5615259889. The next prime is 5615259917. The reversal of 5615259897 is 7989525165.

It is a happy number.

It is not a de Polignac number, because 5615259897 - 2³ = 5615259889 is a prime.

It is a super-2 number, since 2×5615259897² = 63062287421712901218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5615259497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944247 + ... + 1947132.

It is an arithmetic number, because the mean of its divisors is an integer number (517553540).

Almost surely, 2^5615259897 is an apocalyptic number.

It is an amenable number.

5615259897 is a deficient number, since it is larger than the sum of its proper divisors (2665596743).

5615259897 is a wasteful number, since it uses less digits than its factorization.

5615259897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891432.

The product of its digits is 6804000, while the sum is 57.

The square root of 5615259897 is about 74935.0378461238. The cubic root of 5615259897 is about 1777.4195552699.

The spelling of 5615259897 in words is "five billion, six hundred fifteen million, two hundred fifty-nine thousand, eight hundred ninety-seven".