11821411834 has 8 divisors (see below), whose sum is σ = 17732629728. Its totient is φ = 5910535260.

The previous prime is 11821411817. The next prime is 11821411843. The reversal of 11821411834 is 43811412811.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11821411834.

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, 35449 + ... + 157795.

It is an arithmetic number, because the mean of its divisors is an integer number (2216578716).

Almost surely, 2^11821411834 is an apocalyptic number.

11821411834 is a deficient number, since it is larger than the sum of its proper divisors (5911217894).

11821411834 is a wasteful number, since it uses less digits than its factorization.

11821411834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170660.

The product of its digits is 6144, while the sum is 34.

The spelling of 11821411834 in words is "eleven billion, eight hundred twenty-one million, four hundred eleven thousand, eight hundred thirty-four".