381121121183 has 8 divisors (see below), whose sum is σ = 430105340880. Its totient is φ = 334526375680.

The previous prime is 381121121149. The next prime is 381121121197.

381121121183 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 381121121183 - 2¹² = 381121117087 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 (381120121183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597368210 + ... + 597368847.

It is an arithmetic number, because the mean of its divisors is an integer number (53763167610).

Almost surely, 2^381121121183 is an apocalyptic number.

381121121183 is a deficient number, since it is larger than the sum of its proper divisors (48984219697).

381121121183 is a wasteful number, since it uses less digits than its factorization.

381121121183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194737097.

The product of its digits is 2304, while the sum is 32.

The spelling of 381121121183 in words is "three hundred eighty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred eighty-three".