51670522551226 has 16 divisors (see below), whose sum is σ = 78246915240384. Its totient is φ = 25588321041024.

The previous prime is 51670522551211. The next prime is 51670522551229. The reversal of 51670522551226 is 62215522507615.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51670522551226.

It is not an unprimeable number, because it can be changed into a prime (51670522551229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24892215 + ... + 26887978.

It is an arithmetic number, because the mean of its divisors is an integer number (4890432202524).

Almost surely, 2^{51670522551226} is an apocalyptic number.

51670522551226 is a deficient number, since it is larger than the sum of its proper divisors (26576392689158).

51670522551226 is a wasteful number, since it uses less digits than its factorization.

51670522551226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51784965.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 51670522551226 in words is "fifty-one trillion, six hundred seventy billion, five hundred twenty-two million, five hundred fifty-one thousand, two hundred twenty-six".