51366111370 has 64 divisors (see below), whose sum is σ = 110512097280. Its totient is φ = 16807272768.

The previous prime is 51366111367. The next prime is 51366111421. The reversal of 51366111370 is 7311166315.

51366111370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677221 + ... + 749239.

It is an arithmetic number, because the mean of its divisors is an integer number (1726751520).

Almost surely, 2^51366111370 is an apocalyptic number.

51366111370 is an abundant number, since it is smaller than the sum of its proper divisors (59145985910).

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

51366111370 is a wasteful number, since it uses less digits than its factorization.

51366111370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72499.

The product of its (nonzero) digits is 11340, while the sum is 34.

Adding to 51366111370 its reverse (7311166315), we get a palindrome (58677277685).

The spelling of 51366111370 in words is "fifty-one billion, three hundred sixty-six million, one hundred eleven thousand, three hundred seventy".