252142342551 has 48 divisors (see below), whose sum is σ = 421495615008. Its totient is φ = 143547955200.

The previous prime is 252142342549. The next prime is 252142342591. The reversal of 252142342551 is 155243241252.

252142342551 is a `hidden beast` number, since 2 + 5 + 21 + 42 + 3 + 42 + 551 = 666.

It is not a de Polignac number, because 252142342551 - 2¹ = 252142342549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252142342511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 733065 + ... + 1020621.

It is an arithmetic number, because the mean of its divisors is an integer number (8781158646).

Almost surely, 2^252142342551 is an apocalyptic number.

252142342551 is a deficient number, since it is larger than the sum of its proper divisors (169353272457).

252142342551 is a wasteful number, since it uses less digits than its factorization.

252142342551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288112 (or 288109 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 252142342551 in words is "two hundred fifty-two billion, one hundred forty-two million, three hundred forty-two thousand, five hundred fifty-one".