11474139815 has 8 divisors (see below), whose sum is σ = 13803306768. Its totient is φ = 9156419200.

The previous prime is 11474139811. The next prime is 11474139841. The reversal of 11474139815 is 51893147411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11474139815 - 2² = 11474139811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11474139811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859377 + ... + 2863386.

It is an arithmetic number, because the mean of its divisors is an integer number (1725413346).

Almost surely, 2^11474139815 is an apocalyptic number.

11474139815 is a deficient number, since it is larger than the sum of its proper divisors (2329166953).

11474139815 is an equidigital number, since it uses as much as digits as its factorization.

11474139815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723169.

The product of its digits is 120960, while the sum is 44.

The spelling of 11474139815 in words is "eleven billion, four hundred seventy-four million, one hundred thirty-nine thousand, eight hundred fifteen".