255700156655 has 8 divisors (see below), whose sum is σ = 313368702912. Its totient is φ = 200207782048.

The previous prime is 255700156627. The next prime is 255700156697. The reversal of 255700156655 is 556651007552.

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 255700156655 - 2²⁰ = 255699108079 is a prime.

It is a super-4 number, since 4×255700156655⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (47).

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 7 ways as a sum of consecutive naturals, for example, 544042652 + ... + 544043121.

It is an arithmetic number, because the mean of its divisors is an integer number (39171087864).

Almost surely, 2^255700156655 is an apocalyptic number.

255700156655 is a deficient number, since it is larger than the sum of its proper divisors (57668546257).

255700156655 is a wasteful number, since it uses less digits than its factorization.

255700156655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088085825.

The product of its (nonzero) digits is 1575000, while the sum is 47.

The spelling of 255700156655 in words is "two hundred fifty-five billion, seven hundred million, one hundred fifty-six thousand, six hundred fifty-five".