51202125047 has 2 divisors, whose sum is σ = 51202125048. Its totient is φ = 51202125046.

The previous prime is 51202125041. The next prime is 51202125067. The reversal of 51202125047 is 74052120215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51202125047 - 2²⁸ = 50933689591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51202125041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25601062523 + 25601062524.

It is an arithmetic number, because the mean of its divisors is an integer number (25601062524).

Almost surely, 2^51202125047 is an apocalyptic number.

51202125047 is a deficient number, since it is larger than the sum of its proper divisors (1).

51202125047 is an equidigital number, since it uses as much as digits as its factorization.

51202125047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 29.

The spelling of 51202125047 in words is "fifty-one billion, two hundred two million, one hundred twenty-five thousand, forty-seven".