52122861178 has 4 divisors (see below), whose sum is σ = 78184291770. Its totient is φ = 26061430588.

The previous prime is 52122861163. The next prime is 52122861221. The reversal of 52122861178 is 87116822125.

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., 33799719409 + 18323141769 = 183847^2 + 135363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13030715293 + ... + 13030715296.

Almost surely, 2^52122861178 is an apocalyptic number.

52122861178 is a deficient number, since it is larger than the sum of its proper divisors (26061430592).

52122861178 is a wasteful number, since it uses less digits than its factorization.

52122861178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26061430591.

The product of its digits is 107520, while the sum is 43.

The spelling of 52122861178 in words is "fifty-two billion, one hundred twenty-two million, eight hundred sixty-one thousand, one hundred seventy-eight".