51426556266 has 8 divisors (see below), whose sum is σ = 102853112544. Its totient is φ = 17142185420.

The previous prime is 51426556253. The next prime is 51426556297. The reversal of 51426556266 is 66265562415.

It is a sphenic number, since it is the product of 3 distinct primes.

51426556266 is an admirable 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, 4285546350 + ... + 4285546361.

It is an arithmetic number, because the mean of its divisors is an integer number (12856639068).

Almost surely, 2^51426556266 is an apocalyptic number.

51426556266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51426556266 is a wasteful number, since it uses less digits than its factorization.

51426556266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571092716.

The product of its digits is 2592000, while the sum is 48.

The spelling of 51426556266 in words is "fifty-one billion, four hundred twenty-six million, five hundred fifty-six thousand, two hundred sixty-six".