11885147823638 has 8 divisors (see below), whose sum is σ = 17833086693288. Its totient is φ = 5940785592544.

The previous prime is 11885147823611. The next prime is 11885147823643. The reversal of 11885147823638 is 83632874158811.

11885147823638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894151331 + ... + 894164622.

It is an arithmetic number, because the mean of its divisors is an integer number (2229135836661).

Almost surely, 2^{11885147823638} is an apocalyptic number.

11885147823638 is a deficient number, since it is larger than the sum of its proper divisors (5947938869650).

11885147823638 is a wasteful number, since it uses less digits than its factorization.

11885147823638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788319278.

The product of its digits is 61931520, while the sum is 65.

The spelling of 11885147823638 in words is "eleven trillion, eight hundred eighty-five billion, one hundred forty-seven million, eight hundred twenty-three thousand, six hundred thirty-eight".