51051255029 has 2 divisors, whose sum is σ = 51051255030. Its totient is φ = 51051255028.

The previous prime is 51051254981. The next prime is 51051255037. The reversal of 51051255029 is 92055215015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37391956900 + 13659298129 = 193370^2 + 116873^2 .

It is a cyclic number.

It is not a de Polignac number, because 51051255029 - 2⁸ = 51051254773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51051255029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51051255089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525627514 + 25525627515.

It is an arithmetic number, because the mean of its divisors is an integer number (25525627515).

Almost surely, 2^51051255029 is an apocalyptic number.

It is an amenable number.

51051255029 is a deficient number, since it is larger than the sum of its proper divisors (1).

51051255029 is an equidigital number, since it uses as much as digits as its factorization.

51051255029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 51051255029 in words is "fifty-one billion, fifty-one million, two hundred fifty-five thousand, twenty-nine".