103056520161 has 64 divisors (see below), whose sum is σ = 166874112000. Its totient is φ = 56479752000.

The previous prime is 103056520159. The next prime is 103056520207. The reversal of 103056520161 is 161025650301.

It is not a de Polignac number, because 103056520161 - 2¹ = 103056520159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103056520121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4494556 + ... + 4517426.

It is an arithmetic number, because the mean of its divisors is an integer number (2607408000).

Almost surely, 2^103056520161 is an apocalyptic number.

It is an amenable number.

103056520161 is a deficient number, since it is larger than the sum of its proper divisors (63817591839).

103056520161 is a wasteful number, since it uses less digits than its factorization.

103056520161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23075 (or 23061 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 103056520161 in words is "one hundred three billion, fifty-six million, five hundred twenty thousand, one hundred sixty-one".