21130592255 has 8 divisors (see below), whose sum is σ = 26848282032. Its totient is φ = 15910092928.

The previous prime is 21130592233. The next prime is 21130592291. The reversal of 21130592255 is 55229503112.

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-21130592255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124297517 + ... + 124297686.

It is an arithmetic number, because the mean of its divisors is an integer number (3356035254).

Almost surely, 2^21130592255 is an apocalyptic number.

21130592255 is a deficient number, since it is larger than the sum of its proper divisors (5717689777).

21130592255 is a wasteful number, since it uses less digits than its factorization.

21130592255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248595225.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 21130592255 in words is "twenty-one billion, one hundred thirty million, five hundred ninety-two thousand, two hundred fifty-five".