255311263216526 has 48 divisors (see below), whose sum is σ = 421532681003280. Its totient is φ = 115889242233600.

The previous prime is 255311263216447. The next prime is 255311263216547. The reversal of 255311263216526 is 625612362113552.

It is a super-2 number, since 2×255311263216526² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507910796 + ... + 508413216.

It is an arithmetic number, because the mean of its divisors is an integer number (8781930854235).

Almost surely, 2^{255311263216526} is an apocalyptic number.

255311263216526 is a deficient number, since it is larger than the sum of its proper divisors (166221417786754).

255311263216526 is a wasteful number, since it uses less digits than its factorization.

255311263216526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505361 (or 505350 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 50.

The spelling of 255311263216526 in words is "two hundred fifty-five trillion, three hundred eleven billion, two hundred sixty-three million, two hundred sixteen thousand, five hundred twenty-six".