11838051433 has 8 divisors (see below), whose sum is σ = 12989212488. Its totient is φ = 10721253504.

The previous prime is 11838051397. The next prime is 11838051443. The reversal of 11838051433 is 33415083811.

It can be written as a sum of positive squares in 4 ways, for example, as 4340569689 + 7497481744 = 65883^2 + 86588^2 .

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

It is not a de Polignac number, because 11838051433 - 2⁹ = 11838050921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11838051392 and 11838051401.

It is not an unprimeable number, because it can be changed into a prime (11838051443) 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, 8590060 + ... + 8591437.

It is an arithmetic number, because the mean of its divisors is an integer number (1623651561).

Almost surely, 2^11838051433 is an apocalyptic number.

11838051433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11838051433 is a deficient number, since it is larger than the sum of its proper divisors (1151161055).

11838051433 is a wasteful number, since it uses less digits than its factorization.

11838051433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17181563.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 11838051433 in words is "eleven billion, eight hundred thirty-eight million, fifty-one thousand, four hundred thirty-three".