128070719951 has 2 divisors, whose sum is σ = 128070719952. Its totient is φ = 128070719950.

The previous prime is 128070719923. The next prime is 128070720053. The reversal of 128070719951 is 159917070821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128070719951 - 2²² = 128066525647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128070719951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128070719921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64035359975 + 64035359976.

It is an arithmetic number, because the mean of its divisors is an integer number (64035359976).

Almost surely, 2^128070719951 is an apocalyptic number.

128070719951 is a deficient number, since it is larger than the sum of its proper divisors (1).

128070719951 is an equidigital number, since it uses as much as digits as its factorization.

128070719951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 50.

The spelling of 128070719951 in words is "one hundred twenty-eight billion, seventy million, seven hundred nineteen thousand, nine hundred fifty-one".