51950118541 has 2 divisors, whose sum is σ = 51950118542. Its totient is φ = 51950118540.

The previous prime is 51950118511. The next prime is 51950118547. The reversal of 51950118541 is 14581105915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51871884516 + 78234025 = 227754^2 + 8845^2 .

It is a cyclic number.

It is not a de Polignac number, because 51950118541 - 2⁷ = 51950118413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51950118494 and 51950118503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51950118547) 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 as a sum of consecutive naturals, namely, 25975059270 + 25975059271.

It is an arithmetic number, because the mean of its divisors is an integer number (25975059271).

Almost surely, 2^51950118541 is an apocalyptic number.

It is an amenable number.

51950118541 is a deficient number, since it is larger than the sum of its proper divisors (1).

51950118541 is an equidigital number, since it uses as much as digits as its factorization.

51950118541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 40.

The spelling of 51950118541 in words is "fifty-one billion, nine hundred fifty million, one hundred eighteen thousand, five hundred forty-one".