11619232005 has 16 divisors (see below), whose sum is σ = 18852614784. Its totient is φ = 6109642560.

The previous prime is 11619231997. The next prime is 11619232033. The reversal of 11619232005 is 50023291611.

It is not a de Polignac number, because 11619232005 - 2³ = 11619231997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5453974 + ... + 5456103.

It is an arithmetic number, because the mean of its divisors is an integer number (1178288424).

Almost surely, 2^11619232005 is an apocalyptic number.

11619232005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11619232005 is a deficient number, since it is larger than the sum of its proper divisors (7233382779).

11619232005 is a wasteful number, since it uses less digits than its factorization.

11619232005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910156.

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 11619232005 in words is "eleven billion, six hundred nineteen million, two hundred thirty-two thousand, five".