51152515067 has 2 divisors, whose sum is σ = 51152515068. Its totient is φ = 51152515066.

The previous prime is 51152515019. The next prime is 51152515087. The reversal of 51152515067 is 76051525115.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51152515067 - 2⁸ = 51152514811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51152515067.

It is not a weakly prime, because it can be changed into another prime (51152515087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576257533 + 25576257534.

It is an arithmetic number, because the mean of its divisors is an integer number (25576257534).

Almost surely, 2^51152515067 is an apocalyptic number.

51152515067 is a deficient number, since it is larger than the sum of its proper divisors (1).

51152515067 is an equidigital number, since it uses as much as digits as its factorization.

51152515067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 38.

The spelling of 51152515067 in words is "fifty-one billion, one hundred fifty-two million, five hundred fifteen thousand, sixty-seven".