981568495103 has 16 divisors (see below), whose sum is σ = 1123208985600. Its totient is φ = 840282424800.

The previous prime is 981568495099. The next prime is 981568495151. The reversal of 981568495103 is 301594865189.

It is not a de Polignac number, because 981568495103 - 2² = 981568495099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981568495163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64151348 + ... + 64166646.

It is an arithmetic number, because the mean of its divisors is an integer number (70200561600).

Almost surely, 2^981568495103 is an apocalyptic number.

981568495103 is a deficient number, since it is larger than the sum of its proper divisors (141640490497).

981568495103 is a wasteful number, since it uses less digits than its factorization.

981568495103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26278.

The product of its (nonzero) digits is 9331200, while the sum is 59.

The spelling of 981568495103 in words is "nine hundred eighty-one billion, five hundred sixty-eight million, four hundred ninety-five thousand, one hundred three".