11847892995 has 24 divisors (see below), whose sum is σ = 20628456576. Its totient is φ = 6290535168.

The previous prime is 11847892993. The next prime is 11847893021. The reversal of 11847892995 is 59929874811.

It is not a de Polignac number, because 11847892995 - 2¹ = 11847892993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11847892993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580294 + ... + 600363.

It is an arithmetic number, because the mean of its divisors is an integer number (859519024).

Almost surely, 2^11847892995 is an apocalyptic number.

11847892995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11847892995 is a deficient number, since it is larger than the sum of its proper divisors (8780563581).

11847892995 is a wasteful number, since it uses less digits than its factorization.

11847892995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180891 (or 1180888 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The spelling of 11847892995 in words is "eleven billion, eight hundred forty-seven million, eight hundred ninety-two thousand, nine hundred ninety-five".