255545522550505 has 16 divisors (see below), whose sum is σ = 334603817308800. Its totient is φ = 185811568639360.

The previous prime is 255545522550499. The next prime is 255545522550541. The reversal of 255545522550505 is 505055225545552.

255545522550505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255545522550505 - 2²⁵ = 255545488996073 is a prime.

It is a super-2 number, since 2×255545522550505² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 496246420 + ... + 496761109.

It is an arithmetic number, because the mean of its divisors is an integer number (20912738581800).

Almost surely, 2^{255545522550505} is an apocalyptic number.

It is an amenable number.

255545522550505 is a deficient number, since it is larger than the sum of its proper divisors (79058294758295).

255545522550505 is a wasteful number, since it uses less digits than its factorization.

255545522550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993012224.

The product of its (nonzero) digits is 62500000, while the sum is 55.

The spelling of 255545522550505 in words is "two hundred fifty-five trillion, five hundred forty-five billion, five hundred twenty-two million, five hundred fifty thousand, five hundred five".