21160510562103 has 8 divisors (see below), whose sum is σ = 30778924454016. Its totient is φ = 12824551855800.

The previous prime is 21160510562041. The next prime is 21160510562159. The reversal of 21160510562103 is 30126501506112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21160510562103 - 2⁶ = 21160510562039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 641227592791 = 21160510562103 / (2 + 1 + 1 + 6 + 0 + 5 + 1 + 0 + 5 + 6 + 2 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160510562603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320613796363 + ... + 320613796428.

It is an arithmetic number, because the mean of its divisors is an integer number (3847365556752).

Almost surely, 2^{21160510562103} is an apocalyptic number.

21160510562103 is a deficient number, since it is larger than the sum of its proper divisors (9618413891913).

21160510562103 is a wasteful number, since it uses less digits than its factorization.

21160510562103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641227592805.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 21160510562103 in words is "twenty-one trillion, one hundred sixty billion, five hundred ten million, five hundred sixty-two thousand, one hundred three".