251272680007 has 2 divisors, whose sum is σ = 251272680008. Its totient is φ = 251272680006.

The previous prime is 251272679993. The next prime is 251272680023. The reversal of 251272680007 is 700086272152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-251272680007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251272684007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125636340003 + 125636340004.

It is an arithmetic number, because the mean of its divisors is an integer number (125636340004).

Almost surely, 2^251272680007 is an apocalyptic number.

251272680007 is a deficient number, since it is larger than the sum of its proper divisors (1).

251272680007 is an equidigital number, since it uses as much as digits as its factorization.

251272680007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 251272680007 in words is "two hundred fifty-one billion, two hundred seventy-two million, six hundred eighty thousand, seven".