252261555601 has 8 divisors (see below), whose sum is σ = 289678341600. Its totient is φ = 217258755840.

The previous prime is 252261555587. The next prime is 252261555631. The reversal of 252261555601 is 106555162252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252261555601 - 2⁵ = 252261555569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252261555631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603496336 + ... + 603496753.

It is an arithmetic number, because the mean of its divisors is an integer number (36209792700).

Almost surely, 2^252261555601 is an apocalyptic number.

It is an amenable number.

252261555601 is a deficient number, since it is larger than the sum of its proper divisors (37416785999).

252261555601 is a wasteful number, since it uses less digits than its factorization.

252261555601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206993119.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 252261555601 in words is "two hundred fifty-two billion, two hundred sixty-one million, five hundred fifty-five thousand, six hundred one".