11939102103 has 16 divisors (see below), whose sum is σ = 16288805376. Its totient is φ = 7775052480.

The previous prime is 11939102101. The next prime is 11939102111. The reversal of 11939102103 is 30120193911.

It is a happy number.

It is not a de Polignac number, because 11939102103 - 2¹ = 11939102101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939102101) 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, 7801 + ... + 154722.

It is an arithmetic number, because the mean of its divisors is an integer number (1018050336).

Almost surely, 2^11939102103 is an apocalyptic number.

11939102103 is a deficient number, since it is larger than the sum of its proper divisors (4349703273).

11939102103 is a wasteful number, since it uses less digits than its factorization.

11939102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163094.

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 11939102103 in words is "eleven billion, nine hundred thirty-nine million, one hundred two thousand, one hundred three".