52221151505 has 4 divisors (see below), whose sum is σ = 62665381812. Its totient is φ = 41776921200.

The previous prime is 52221151421. The next prime is 52221151519. The reversal of 52221151505 is 50515112225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30796389121 + 21424762384 = 175489^2 + 146372^2 .

It is not a de Polignac number, because 52221151505 - 2¹⁸ = 52220889361 is a prime.

It is a Duffinian 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, 5222115146 + ... + 5222115155.

It is an arithmetic number, because the mean of its divisors is an integer number (15666345453).

Almost surely, 2^52221151505 is an apocalyptic number.

It is an amenable number.

52221151505 is a deficient number, since it is larger than the sum of its proper divisors (10444230307).

52221151505 is a wasteful number, since it uses less digits than its factorization.

52221151505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10444230306.

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 52221151505 in words is "fifty-two billion, two hundred twenty-one million, one hundred fifty-one thousand, five hundred five".