255897245519 has 8 divisors (see below), whose sum is σ = 261863851392. Its totient is φ = 249931344600.

The previous prime is 255897245479. The next prime is 255897245551. The reversal of 255897245519 is 915542798552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255897245519 - 2²⁴ = 255880468303 is a prime.

It is a super-2 number, since 2×255897245519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255897245599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597344 + ... + 931994.

It is an arithmetic number, because the mean of its divisors is an integer number (32732981424).

Almost surely, 2^255897245519 is an apocalyptic number.

255897245519 is a deficient number, since it is larger than the sum of its proper divisors (5966605873).

255897245519 is a wasteful number, since it uses less digits than its factorization.

255897245519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352477.

The product of its digits is 45360000, while the sum is 62.

The spelling of 255897245519 in words is "two hundred fifty-five billion, eight hundred ninety-seven million, two hundred forty-five thousand, five hundred nineteen".