14001152509 has 2 divisors, whose sum is σ = 14001152510. Its totient is φ = 14001152508.

The previous prime is 14001152507. The next prime is 14001152567. The reversal of 14001152509 is 90525110041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12593777284 + 1407375225 = 112222^2 + 37515^2 .

It is a cyclic number.

It is not a de Polignac number, because 14001152509 - 2¹ = 14001152507 is a prime.

Together with 14001152507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14001152507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000576254 + 7000576255.

It is an arithmetic number, because the mean of its divisors is an integer number (7000576255).

Almost surely, 2^14001152509 is an apocalyptic number.

It is an amenable number.

14001152509 is a deficient number, since it is larger than the sum of its proper divisors (1).

14001152509 is an equidigital number, since it uses as much as digits as its factorization.

14001152509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 14001152509 in words is "fourteen billion, one million, one hundred fifty-two thousand, five hundred nine".