251345113007 has 2 divisors, whose sum is σ = 251345113008. Its totient is φ = 251345113006.

The previous prime is 251345112971. The next prime is 251345113087. The reversal of 251345113007 is 700311543152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251345113007 - 2⁶ = 251345112943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251345113087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125672556503 + 125672556504.

It is an arithmetic number, because the mean of its divisors is an integer number (125672556504).

Almost surely, 2^251345113007 is an apocalyptic number.

251345113007 is a deficient number, since it is larger than the sum of its proper divisors (1).

251345113007 is an equidigital number, since it uses as much as digits as its factorization.

251345113007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 251345113007 its reverse (700311543152), we get a palindrome (951656656159).

The spelling of 251345113007 in words is "two hundred fifty-one billion, three hundred forty-five million, one hundred thirteen thousand, seven".