14128861507 has 2 divisors, whose sum is σ = 14128861508. Its totient is φ = 14128861506.

The previous prime is 14128861471. The next prime is 14128861531. The reversal of 14128861507 is 70516882141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14128861507 - 2¹⁹ = 14128337219 is a prime.

It is a super-2 number, since 2×14128861507² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14128861597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7064430753 + 7064430754.

It is an arithmetic number, because the mean of its divisors is an integer number (7064430754).

Almost surely, 2^14128861507 is an apocalyptic number.

14128861507 is a deficient number, since it is larger than the sum of its proper divisors (1).

14128861507 is an equidigital number, since it uses as much as digits as its factorization.

14128861507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 14128861507 in words is "fourteen billion, one hundred twenty-eight million, eight hundred sixty-one thousand, five hundred seven".