16111005103 has 12 divisors (see below), whose sum is σ = 17009623080. Its totient is φ = 15257635056.

The previous prime is 16111005101. The next prime is 16111005143. The reversal of 16111005103 is 30150011161.

It is not a de Polignac number, because 16111005103 - 2¹ = 16111005101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16111005101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314801 + ... + 1326997.

It is an arithmetic number, because the mean of its divisors is an integer number (1417468590).

Almost surely, 2^16111005103 is an apocalyptic number.

16111005103 is a deficient number, since it is larger than the sum of its proper divisors (898617977).

16111005103 is a wasteful number, since it uses less digits than its factorization.

16111005103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15894 (or 15875 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 16111005103 its reverse (30150011161), we get a palindrome (46261016264).

The spelling of 16111005103 in words is "sixteen billion, one hundred eleven million, five thousand, one hundred three".