11849610381 has 8 divisors (see below), whose sum is σ = 18056549184. Its totient is φ = 6771205920.

The previous prime is 11849610379. The next prime is 11849610389. The reversal of 11849610381 is 18301694811.

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

It is not a de Polignac number, because 11849610381 - 2¹ = 11849610379 is a prime.

It is a super-2 number, since 2×11849610381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11849610389) 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, 282133560 + ... + 282133601.

It is an arithmetic number, because the mean of its divisors is an integer number (2257068648).

Almost surely, 2^11849610381 is an apocalyptic number.

It is an amenable number.

11849610381 is a deficient number, since it is larger than the sum of its proper divisors (6206938803).

11849610381 is an equidigital number, since it uses as much as digits as its factorization.

11849610381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564267171.

The product of its (nonzero) digits is 41472, while the sum is 42.

The spelling of 11849610381 in words is "eleven billion, eight hundred forty-nine million, six hundred ten thousand, three hundred eighty-one".