268341556525 has 24 divisors (see below), whose sum is σ = 386723730240. Its totient is φ = 180886892160.

The previous prime is 268341556519. The next prime is 268341556579. The reversal of 268341556525 is 525655143862.

It is not a de Polignac number, because 268341556525 - 2³ = 268341556517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12984424 + ... + 13005073.

It is an arithmetic number, because the mean of its divisors is an integer number (16113488760).

Almost surely, 2^268341556525 is an apocalyptic number.

268341556525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

268341556525 is a deficient number, since it is larger than the sum of its proper divisors (118382173715).

268341556525 is a wasteful number, since it uses less digits than its factorization.

268341556525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25989573 (or 25989568 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 52.

The spelling of 268341556525 in words is "two hundred sixty-eight billion, three hundred forty-one million, five hundred fifty-six thousand, five hundred twenty-five".