252116321611 has 16 divisors (see below), whose sum is σ = 315906393600. Its totient is φ = 195467057280.

The previous prime is 252116321599. The next prime is 252116321659. The reversal of 252116321611 is 116123611252.

It is not a de Polignac number, because 252116321611 - 2⁵ = 252116321579 is a prime.

It is a super-2 number, since 2×252116321611² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252116321011) 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, 8211406 + ... + 8242051.

It is an arithmetic number, because the mean of its divisors is an integer number (19744149600).

Almost surely, 2^252116321611 is an apocalyptic number.

252116321611 is a deficient number, since it is larger than the sum of its proper divisors (63790071989).

252116321611 is a wasteful number, since it uses less digits than its factorization.

252116321611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16453674.

The product of its digits is 4320, while the sum is 31.

Adding to 252116321611 its reverse (116123611252), we get a palindrome (368239932863).

The spelling of 252116321611 in words is "two hundred fifty-two billion, one hundred sixteen million, three hundred twenty-one thousand, six hundred eleven".