159725428903 has 2 divisors, whose sum is σ = 159725428904. Its totient is φ = 159725428902.

The previous prime is 159725428879. The next prime is 159725428913. The reversal of 159725428903 is 309824527951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159725428903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159725428913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79862714451 + 79862714452.

It is an arithmetic number, because the mean of its divisors is an integer number (79862714452).

Almost surely, 2^159725428903 is an apocalyptic number.

159725428903 is a deficient number, since it is larger than the sum of its proper divisors (1).

159725428903 is an equidigital number, since it uses as much as digits as its factorization.

159725428903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 159725428903 in words is "one hundred fifty-nine billion, seven hundred twenty-five million, four hundred twenty-eight thousand, nine hundred three".