21133603553514 has 8 divisors (see below), whose sum is σ = 42267207107040. Its totient is φ = 7044534517836.

The previous prime is 21133603553507. The next prime is 21133603553537. The reversal of 21133603553514 is 41535530633112.

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

21133603553514 is an admirable number.

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, 1761133629454 + ... + 1761133629465.

It is an arithmetic number, because the mean of its divisors is an integer number (5283400888380).

Almost surely, 2^{21133603553514} is an apocalyptic number.

21133603553514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21133603553514 is a wasteful number, since it uses less digits than its factorization.

21133603553514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522267258924.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 21133603553514 in words is "twenty-one trillion, one hundred thirty-three billion, six hundred three million, five hundred fifty-three thousand, five hundred fourteen".