14851320557 has 2 divisors, whose sum is σ = 14851320558. Its totient is φ = 14851320556.

The previous prime is 14851320551. The next prime is 14851320563. The reversal of 14851320557 is 75502315841.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (14851320551) and next prime (14851320563).

It can be written as a sum of positive squares in only one way, i.e., 10712457001 + 4138863556 = 103501^2 + 64334^2 .

It is a cyclic number.

It is not a de Polignac number, because 14851320557 - 2⁴ = 14851320541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14851320551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7425660278 + 7425660279.

It is an arithmetic number, because the mean of its divisors is an integer number (7425660279).

Almost surely, 2^14851320557 is an apocalyptic number.

It is an amenable number.

14851320557 is a deficient number, since it is larger than the sum of its proper divisors (1).

14851320557 is an equidigital number, since it uses as much as digits as its factorization.

14851320557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 14851320557 in words is "fourteen billion, eight hundred fifty-one million, three hundred twenty thousand, five hundred fifty-seven".