252442003041561 has 16 divisors (see below), whose sum is σ = 338060559349760. Its totient is φ = 167559063799680.

The previous prime is 252442003041517. The next prime is 252442003041593. The reversal of 252442003041561 is 165140300244252.

It is not a de Polignac number, because 252442003041561 - 2¹³ = 252442003033369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252442003046561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206302701 + ... + 207522741.

It is an arithmetic number, because the mean of its divisors is an integer number (21128784959360).

Almost surely, 2^{252442003041561} is an apocalyptic number.

It is an amenable number.

252442003041561 is a deficient number, since it is larger than the sum of its proper divisors (85618556308199).

252442003041561 is a wasteful number, since it uses less digits than its factorization.

252442003041561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521456.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 252442003041561 in words is "two hundred fifty-two trillion, four hundred forty-two billion, three million, forty-one thousand, five hundred sixty-one".