21253151092996 has 27 divisors (see below), whose sum is σ = 37242082246887. Its totient is φ = 10612574630280.

The previous prime is 21253151092961. The next prime is 21253151093003. The reversal of 21253151092996 is 69929015135212.

The square root of 21253151092996 is 4610114.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13562954605 + ... + 13562956171.

Almost surely, 2^{21253151092996} is an apocalyptic number.

21253151092996 is the 4610114-th square number.

It is an amenable number.

21253151092996 is a deficient number, since it is larger than the sum of its proper divisors (15988931153891).

21253151092996 is an frugal number, since it uses more digits than its factorization.

21253151092996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 21253151092996 in words is "twenty-one trillion, two hundred fifty-three billion, one hundred fifty-one million, ninety-two thousand, nine hundred ninety-six".