51101055601 has 2 divisors, whose sum is σ = 51101055602. Its totient is φ = 51101055600.

The previous prime is 51101055589. The next prime is 51101055611. The reversal of 51101055601 is 10655010115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46925957376 + 4175098225 = 216624^2 + 64615^2 .

It is a cyclic number.

It is not a de Polignac number, because 51101055601 - 2²³ = 51092666993 is a prime.

It is a super-2 number, since 2×51101055601² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51101055611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550527800 + 25550527801.

It is an arithmetic number, because the mean of its divisors is an integer number (25550527801).

Almost surely, 2^51101055601 is an apocalyptic number.

It is an amenable number.

51101055601 is a deficient number, since it is larger than the sum of its proper divisors (1).

51101055601 is an equidigital number, since it uses as much as digits as its factorization.

51101055601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 51101055601 its reverse (10655010115), we get a palindrome (61756065716).

The spelling of 51101055601 in words is "fifty-one billion, one hundred one million, fifty-five thousand, six hundred one".