51260355943 has 8 divisors (see below), whose sum is σ = 52458256400. Its totient is φ = 50062719168.

The previous prime is 51260355889. The next prime is 51260355953. The reversal of 51260355943 is 34955306215.

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 51260355943 - 2³³ = 42670421351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51260355943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51260355953) 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, 359053 + ... + 481081.

It is an arithmetic number, because the mean of its divisors is an integer number (6557282050).

Almost surely, 2^51260355943 is an apocalyptic number.

51260355943 is a deficient number, since it is larger than the sum of its proper divisors (1197900457).

51260355943 is a wasteful number, since it uses less digits than its factorization.

51260355943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131841.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 51260355943 in words is "fifty-one billion, two hundred sixty million, three hundred fifty-five thousand, nine hundred forty-three".