52551111146 has 4 divisors (see below), whose sum is σ = 78826666722. Its totient is φ = 26275555572.

The previous prime is 52551111139. The next prime is 52551111157. The reversal of 52551111146 is 64111115525.

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

It can be written as a sum of positive squares in only one way, i.e., 43149675625 + 9401435521 = 207725^2 + 96961^2 .

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 as a sum of consecutive naturals, namely, 13137777785 + ... + 13137777788.

Almost surely, 2^52551111146 is an apocalyptic number.

52551111146 is a deficient number, since it is larger than the sum of its proper divisors (26275555576).

52551111146 is a wasteful number, since it uses less digits than its factorization.

52551111146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26275555575.

The product of its digits is 6000, while the sum is 32.

The spelling of 52551111146 in words is "fifty-two billion, five hundred fifty-one million, one hundred eleven thousand, one hundred forty-six".