255572264561 has 24 divisors (see below), whose sum is σ = 281380382400. Its totient is φ = 231456052800.

The previous prime is 255572264531. The next prime is 255572264573. The reversal of 255572264561 is 165462275552.

It is not a de Polignac number, because 255572264561 - 2¹⁴ = 255572248177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255572264531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1534700 + ... + 1693058.

It is an arithmetic number, because the mean of its divisors is an integer number (11724182600).

Almost surely, 2^255572264561 is an apocalyptic number.

It is an amenable number.

255572264561 is a deficient number, since it is larger than the sum of its proper divisors (25808117839).

255572264561 is a wasteful number, since it uses less digits than its factorization.

255572264561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158537 (or 158508 counting only the distinct ones).

The product of its digits is 5040000, while the sum is 50.

The spelling of 255572264561 in words is "two hundred fifty-five billion, five hundred seventy-two million, two hundred sixty-four thousand, five hundred sixty-one".