252657982011 has 8 divisors (see below), whose sum is σ = 336885240384. Its totient is φ = 168434689160.

The previous prime is 252657982009. The next prime is 252657982043. The reversal of 252657982011 is 110289756252.

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

It is a cyclic number.

It is not a de Polignac number, because 252657982011 - 2¹ = 252657982009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252657982081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839385 + ... + 1099946.

It is an arithmetic number, because the mean of its divisors is an integer number (42110655048).

Almost surely, 2^252657982011 is an apocalyptic number.

252657982011 is a deficient number, since it is larger than the sum of its proper divisors (84227258373).

252657982011 is a wasteful number, since it uses less digits than its factorization.

252657982011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982761.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 252657982011 in words is "two hundred fifty-two billion, six hundred fifty-seven million, nine hundred eighty-two thousand, eleven".