255567402481 has 8 divisors (see below), whose sum is σ = 259717446144. Its totient is φ = 251427229680.

The previous prime is 255567402403. The next prime is 255567402509. The reversal of 255567402481 is 184204765552.

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 255567402481 - 2²⁵ = 255533848049 is a prime.

It is a super-2 number, since 2×255567402481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255567202481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2415505 + ... + 2519086.

It is an arithmetic number, because the mean of its divisors is an integer number (32464680768).

Almost surely, 2^255567402481 is an apocalyptic number.

It is an amenable number.

255567402481 is a deficient number, since it is larger than the sum of its proper divisors (4150043663).

255567402481 is an equidigital number, since it uses as much as digits as its factorization.

255567402481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935431.

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 255567402481 in words is "two hundred fifty-five billion, five hundred sixty-seven million, four hundred two thousand, four hundred eighty-one".