51747991141 has 8 divisors (see below), whose sum is σ = 64516976064. Its totient is φ = 40323109920.

The previous prime is 51747991129. The next prime is 51747991151. The reversal of 51747991141 is 14119974715.

51747991141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51747991141 - 2⁹ = 51747990629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51747991151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336025840 + ... + 336025993.

It is an arithmetic number, because the mean of its divisors is an integer number (8064622008).

Almost surely, 2^51747991141 is an apocalyptic number.

It is an amenable number.

51747991141 is a deficient number, since it is larger than the sum of its proper divisors (12768984923).

51747991141 is a wasteful number, since it uses less digits than its factorization.

51747991141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672051851.

The product of its digits is 317520, while the sum is 49.

The spelling of 51747991141 in words is "fifty-one billion, seven hundred forty-seven million, nine hundred ninety-one thousand, one hundred forty-one".