11103423015 has 16 divisors (see below), whose sum is σ = 18700502400. Its totient is φ = 5610150432.

The previous prime is 11103423011. The next prime is 11103423073. The reversal of 11103423015 is 51032430111.

It is not a de Polignac number, because 11103423015 - 2² = 11103423011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11103422982 and 11103423000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103423011) 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, 19479405 + ... + 19479974.

It is an arithmetic number, because the mean of its divisors is an integer number (1168781400).

Almost surely, 2^11103423015 is an apocalyptic number.

11103423015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11103423015 is a deficient number, since it is larger than the sum of its proper divisors (7597079385).

11103423015 is a wasteful number, since it uses less digits than its factorization.

11103423015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38959406.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11103423015 its reverse (51032430111), we get a palindrome (62135853126).

The spelling of 11103423015 in words is "eleven billion, one hundred three million, four hundred twenty-three thousand, fifteen".