525254221055 has 4 divisors (see below), whose sum is σ = 630305065272. Its totient is φ = 420203376840.

The previous prime is 525254221039. The next prime is 525254221061. The reversal of 525254221055 is 550122452525.

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

It is not a de Polignac number, because 525254221055 - 2⁴ = 525254221039 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 52525422101 + ... + 52525422110.

It is an arithmetic number, because the mean of its divisors is an integer number (157576266318).

Almost surely, 2^525254221055 is an apocalyptic number.

525254221055 is a deficient number, since it is larger than the sum of its proper divisors (105050844217).

525254221055 is a wasteful number, since it uses less digits than its factorization.

525254221055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105050844216.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 525254221055 in words is "five hundred twenty-five billion, two hundred fifty-four million, two hundred twenty-one thousand, fifty-five".