51083426126261 has 16 divisors (see below), whose sum is σ = 51448683116160. Its totient is φ = 50719430266560.

The previous prime is 51083426126189. The next prime is 51083426126263. The reversal of 51083426126261 is 16262162438015.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51083426126261 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 (51083426126263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336159016 + ... + 1336197246.

It is an arithmetic number, because the mean of its divisors is an integer number (3215542694760).

Almost surely, 2^{51083426126261} is an apocalyptic number.

It is an amenable number.

51083426126261 is a deficient number, since it is larger than the sum of its proper divisors (365256989899).

51083426126261 is a wasteful number, since it uses less digits than its factorization.

51083426126261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54476.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 51083426126261 in words is "fifty-one trillion, eighty-three billion, four hundred twenty-six million, one hundred twenty-six thousand, two hundred sixty-one".