255855562538 has 8 divisors (see below), whose sum is σ = 383787192960. Its totient is φ = 127926498220.

The previous prime is 255855562517. The next prime is 255855562559. The reversal of 255855562538 is 835265558552.

It is a happy number.

255855562538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255855562517) and next prime (255855562559).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369128 + ... + 804963.

It is an arithmetic number, because the mean of its divisors is an integer number (47973399120).

Almost surely, 2^255855562538 is an apocalyptic number.

255855562538 is a deficient number, since it is larger than the sum of its proper divisors (127931630422).

255855562538 is a wasteful number, since it uses less digits than its factorization.

255855562538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283052.

The product of its digits is 72000000, while the sum is 59.

The spelling of 255855562538 in words is "two hundred fifty-five billion, eight hundred fifty-five million, five hundred sixty-two thousand, five hundred thirty-eight".