51083426238157 has 4 divisors (see below), whose sum is σ = 51083454500860. Its totient is φ = 51083397975456.

The previous prime is 51083426238137. The next prime is 51083426238167. The reversal of 51083426238157 is 75183262438015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27759104853481 + 23324321384676 = 5268691^2 + 4829526^2 .

It is a cyclic number.

It is not a de Polignac number, because 51083426238157 - 2⁷ = 51083426238029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51083426238098 and 51083426238107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51083426238137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11220282 + ... + 15101707.

It is an arithmetic number, because the mean of its divisors is an integer number (12770863625215).

Almost surely, 2^{51083426238157} is an apocalyptic number.

It is an amenable number.

51083426238157 is a deficient number, since it is larger than the sum of its proper divisors (28262703).

51083426238157 is a wasteful number, since it uses less digits than its factorization.

51083426238157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28262702.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 51083426238157 in words is "fifty-one trillion, eighty-three billion, four hundred twenty-six million, two hundred thirty-eight thousand, one hundred fifty-seven".