51104501237 has 2 divisors, whose sum is σ = 51104501238. Its totient is φ = 51104501236.

The previous prime is 51104501167. The next prime is 51104501299. The reversal of 51104501237 is 73210540115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42838236676 + 8266264561 = 206974^2 + 90919^2 .

It is a cyclic number.

It is not a de Polignac number, because 51104501237 - 2¹⁸ = 51104239093 is a prime.

It is a super-2 number, since 2×51104501237² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51104501137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552250618 + 25552250619.

It is an arithmetic number, because the mean of its divisors is an integer number (25552250619).

Almost surely, 2^51104501237 is an apocalyptic number.

It is an amenable number.

51104501237 is a deficient number, since it is larger than the sum of its proper divisors (1).

51104501237 is an equidigital number, since it uses as much as digits as its factorization.

51104501237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 51104501237 in words is "fifty-one billion, one hundred four million, five hundred one thousand, two hundred thirty-seven".