21374326445311 has 8 divisors (see below), whose sum is σ = 24427951575200. Its totient is φ = 18320738796288.

The previous prime is 21374326445293. The next prime is 21374326445341. The reversal of 21374326445311 is 11354462347312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21374326445311 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 (21374326445341) 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, 8137386 + ... + 10438663.

It is an arithmetic number, because the mean of its divisors is an integer number (3053493946900).

Almost surely, 2^{21374326445311} is an apocalyptic number.

21374326445311 is a deficient number, since it is larger than the sum of its proper divisors (3053625129889).

21374326445311 is a wasteful number, since it uses less digits than its factorization.

21374326445311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740433.

The product of its digits is 1451520, while the sum is 46.

The spelling of 21374326445311 in words is "twenty-one trillion, three hundred seventy-four billion, three hundred twenty-six million, four hundred forty-five thousand, three hundred eleven".