51023714851243 has 2 divisors, whose sum is σ = 51023714851244. Its totient is φ = 51023714851242.

The previous prime is 51023714851177. The next prime is 51023714851289. The reversal of 51023714851243 is 34215841732015.

It is an a-pointer prime, because the next prime (51023714851289) can be obtained adding 51023714851243 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51023714851243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51023714851193 and 51023714851202.

It is not a weakly prime, because it can be changed into another prime (51023714851643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511857425621 + 25511857425622.

It is an arithmetic number, because the mean of its divisors is an integer number (25511857425622).

Almost surely, 2^{51023714851243} is an apocalyptic number.

51023714851243 is a deficient number, since it is larger than the sum of its proper divisors (1).

51023714851243 is an equidigital number, since it uses as much as digits as its factorization.

51023714851243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 51023714851243 in words is "fifty-one trillion, twenty-three billion, seven hundred fourteen million, eight hundred fifty-one thousand, two hundred forty-three".