255425524105 has 4 divisors (see below), whose sum is σ = 306510628932. Its totient is φ = 204340419280.

The previous prime is 255425524069. The next prime is 255425524111. The reversal of 255425524105 is 501425524552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27671324409 + 227754199696 = 166347^2 + 477236^2 .

It is not a de Polignac number, because 255425524105 - 2²⁵ = 255391969673 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25542552406 + ... + 25542552415.

It is an arithmetic number, because the mean of its divisors is an integer number (76627657233).

Almost surely, 2^255425524105 is an apocalyptic number.

It is an amenable number.

255425524105 is a deficient number, since it is larger than the sum of its proper divisors (51085104827).

255425524105 is an equidigital number, since it uses as much as digits as its factorization.

255425524105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51085104826.

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 255425524105 in words is "two hundred fifty-five billion, four hundred twenty-five million, five hundred twenty-four thousand, one hundred five".