156411450427 has 2 divisors, whose sum is σ = 156411450428. Its totient is φ = 156411450426.

The previous prime is 156411450407. The next prime is 156411450431. The reversal of 156411450427 is 724054114651.

It is a happy number.

156411450427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156411450427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156411450427.

It is not a weakly prime, because it can be changed into another prime (156411450407) 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, 78205725213 + 78205725214.

It is an arithmetic number, because the mean of its divisors is an integer number (78205725214).

Almost surely, 2^156411450427 is an apocalyptic number.

156411450427 is a deficient number, since it is larger than the sum of its proper divisors (1).

156411450427 is an equidigital number, since it uses as much as digits as its factorization.

156411450427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 156411450427 in words is "one hundred fifty-six billion, four hundred eleven million, four hundred fifty thousand, four hundred twenty-seven".