245323431252511 has 4 divisors (see below), whose sum is σ = 245323520716912. Its totient is φ = 245323341788112.

The previous prime is 245323431252397. The next prime is 245323431252551. The reversal of 245323431252511 is 115252134323542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245323431252511 - 2¹⁹ = 245323430728223 is a prime.

It is a super-3 number, since 3×245323431252511³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245323431252551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40484550 + ... + 46148083.

It is an arithmetic number, because the mean of its divisors is an integer number (61330880179228).

Almost surely, 2^{245323431252511} is an apocalyptic number.

245323431252511 is a deficient number, since it is larger than the sum of its proper divisors (89464401).

245323431252511 is an equidigital number, since it uses as much as digits as its factorization.

245323431252511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89464400.

The product of its digits is 864000, while the sum is 43.

The spelling of 245323431252511 in words is "two hundred forty-five trillion, three hundred twenty-three billion, four hundred thirty-one million, two hundred fifty-two thousand, five hundred eleven".