51248712741 has 8 divisors (see below), whose sum is σ = 68347083840. Its totient is φ = 34158075072.

The previous prime is 51248712709. The next prime is 51248712751. The reversal of 51248712741 is 14721784215.

It is a happy number.

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

It is not a de Polignac number, because 51248712741 - 2⁵ = 51248712709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51248712693 and 51248712702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51248712751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917876 + ... + 1944413.

It is an arithmetic number, because the mean of its divisors is an integer number (8543385480).

Almost surely, 2^51248712741 is an apocalyptic number.

It is an amenable number.

51248712741 is a deficient number, since it is larger than the sum of its proper divisors (17098371099).

51248712741 is a wasteful number, since it uses less digits than its factorization.

51248712741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866715.

The product of its digits is 125440, while the sum is 42.

The spelling of 51248712741 in words is "fifty-one billion, two hundred forty-eight million, seven hundred twelve thousand, seven hundred forty-one".