255607111615 has 16 divisors (see below), whose sum is σ = 309214459008. Its totient is φ = 202833870336.

The previous prime is 255607111603. The next prime is 255607111649. The reversal of 255607111615 is 516111706552.

It is a cyclic number.

It is not a de Polignac number, because 255607111615 - 2¹⁷ = 255606980543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33322 + ... + 715768.

It is an arithmetic number, because the mean of its divisors is an integer number (19325903688).

Almost surely, 2^255607111615 is an apocalyptic number.

255607111615 is a deficient number, since it is larger than the sum of its proper divisors (53607347393).

255607111615 is a wasteful number, since it uses less digits than its factorization.

255607111615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683058.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 255607111615 in words is "two hundred fifty-five billion, six hundred seven million, one hundred eleven thousand, six hundred fifteen".