252255511485 has 12 divisors (see below), whose sum is σ = 437242886652. Its totient is φ = 134536272768.

The previous prime is 252255511463. The next prime is 252255511513. The reversal of 252255511485 is 584115552252.

It is a happy number.

252255511485 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 5 + 551 + 14 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142480581156 + 109774930329 = 377466^2 + 331323^2 .

It is not a de Polignac number, because 252255511485 - 2²¹ = 252253414333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5605678033 = 252255511485 / (2 + 5 + 2 + 2 + 5 + 5 + 5 + 1 + 1 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 252255511485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2802838972 + ... + 2802839061.

It is an arithmetic number, because the mean of its divisors is an integer number (36436907221).

Almost surely, 2^252255511485 is an apocalyptic number.

It is an amenable number.

252255511485 is a deficient number, since it is larger than the sum of its proper divisors (184987375167).

252255511485 is a wasteful number, since it uses less digits than its factorization.

252255511485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605678044 (or 5605678041 counting only the distinct ones).

The product of its digits is 800000, while the sum is 45.

The spelling of 252255511485 in words is "two hundred fifty-two billion, two hundred fifty-five million, five hundred eleven thousand, four hundred eighty-five".