15401656159 has 2 divisors, whose sum is σ = 15401656160. Its totient is φ = 15401656158.

The previous prime is 15401656133. The next prime is 15401656169. The reversal of 15401656159 is 95165610451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15401656159 is a prime.

It is a super-2 number, since 2×15401656159² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15401656169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700828079 + 7700828080.

It is an arithmetic number, because the mean of its divisors is an integer number (7700828080).

Almost surely, 2^15401656159 is an apocalyptic number.

15401656159 is a deficient number, since it is larger than the sum of its proper divisors (1).

15401656159 is an equidigital number, since it uses as much as digits as its factorization.

15401656159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 15401656159 in words is "fifteen billion, four hundred one million, six hundred fifty-six thousand, one hundred fifty-nine".