103421157859 has 4 divisors (see below), whose sum is σ = 103421801160. Its totient is φ = 103420514560.

The previous prime is 103421157821. The next prime is 103421157869. The reversal of 103421157859 is 958751124301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103421157859 - 2⁷ = 103421157731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103421157869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151632 + ... + 479410.

It is an arithmetic number, because the mean of its divisors is an integer number (25855450290).

Almost surely, 2^103421157859 is an apocalyptic number.

103421157859 is a deficient number, since it is larger than the sum of its proper divisors (643301).

103421157859 is an equidigital number, since it uses as much as digits as its factorization.

103421157859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643300.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 103421157859 in words is "one hundred three billion, four hundred twenty-one million, one hundred fifty-seven thousand, eight hundred fifty-nine".