11831247371 has 16 divisors (see below), whose sum is σ = 12267230976. Its totient is φ = 11398800000.

The previous prime is 11831247361. The next prime is 11831247473. The reversal of 11831247371 is 17374213811.

It is a cyclic number.

It is not a de Polignac number, because 11831247371 - 2¹⁴ = 11831230987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11831247301) 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, 10017401 + ... + 10018581.

It is an arithmetic number, because the mean of its divisors is an integer number (766701936).

Almost surely, 2^11831247371 is an apocalyptic number.

11831247371 is a deficient number, since it is larger than the sum of its proper divisors (435983605).

11831247371 is a wasteful number, since it uses less digits than its factorization.

11831247371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374.

The product of its digits is 28224, while the sum is 38.

The spelling of 11831247371 in words is "eleven billion, eight hundred thirty-one million, two hundred forty-seven thousand, three hundred seventy-one".