21412151911799 has 8 divisors (see below), whose sum is σ = 23990027695248. Its totient is φ = 18939495548160.

The previous prime is 21412151911789. The next prime is 21412151911807. The reversal of 21412151911799 is 99711915121412.

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

It is not a de Polignac number, because 21412151911799 - 2⁸ = 21412151911543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21412151911799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412151911789) 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, 26304854522 + ... + 26304855335.

It is an arithmetic number, because the mean of its divisors is an integer number (2998753461906).

Almost surely, 2^{21412151911799} is an apocalyptic number.

21412151911799 is a deficient number, since it is larger than the sum of its proper divisors (2577875783449).

21412151911799 is a wasteful number, since it uses less digits than its factorization.

21412151911799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52609709905.

The product of its digits is 408240, while the sum is 53.

The spelling of 21412151911799 in words is "twenty-one trillion, four hundred twelve billion, one hundred fifty-one million, nine hundred eleven thousand, seven hundred ninety-nine".