252561144563101 has 32 divisors (see below), whose sum is σ = 283219115139072. Its totient is φ = 223250331245760.

The previous prime is 252561144563059. The next prime is 252561144563107. The reversal of 252561144563101 is 101365441165252.

It is a cyclic number.

It is not a de Polignac number, because 252561144563101 - 2⁹ = 252561144562589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252561144563107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536048110 + ... + 536519056.

It is an arithmetic number, because the mean of its divisors is an integer number (8850597348096).

Almost surely, 2^{252561144563101} is an apocalyptic number.

It is an amenable number.

252561144563101 is a deficient number, since it is larger than the sum of its proper divisors (30657970575971).

252561144563101 is a wasteful number, since it uses less digits than its factorization.

252561144563101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477769.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 252561144563101 in words is "two hundred fifty-two trillion, five hundred sixty-one billion, one hundred forty-four million, five hundred sixty-three thousand, one hundred one".