51100245337 has 2 divisors, whose sum is σ = 51100245338. Its totient is φ = 51100245336.

The previous prime is 51100245283. The next prime is 51100245359. The reversal of 51100245337 is 73354200115.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49090606096 + 2009639241 = 221564^2 + 44829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51100245337 is a prime.

It is a super-2 number, since 2×51100245337² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51100245299 and 51100245308.

It is not a weakly prime, because it can be changed into another prime (51100245397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550122668 + 25550122669.

It is an arithmetic number, because the mean of its divisors is an integer number (25550122669).

Almost surely, 2^51100245337 is an apocalyptic number.

It is an amenable number.

51100245337 is a deficient number, since it is larger than the sum of its proper divisors (1).

51100245337 is an equidigital number, since it uses as much as digits as its factorization.

51100245337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 51100245337 in words is "fifty-one billion, one hundred million, two hundred forty-five thousand, three hundred thirty-seven".