51100352517593 has 2 divisors, whose sum is σ = 51100352517594. Its totient is φ = 51100352517592.

The previous prime is 51100352517547. The next prime is 51100352517637. The reversal of 51100352517593 is 39571525300115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51092145607129 + 8206910464 = 7147877^2 + 90592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51100352517593 is a prime.

It is a super-2 number, since 2×51100352517593² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51100352517503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550176258796 + 25550176258797.

It is an arithmetic number, because the mean of its divisors is an integer number (25550176258797).

Almost surely, 2^{51100352517593} is an apocalyptic number.

It is an amenable number.

51100352517593 is a deficient number, since it is larger than the sum of its proper divisors (1).

51100352517593 is an equidigital number, since it uses as much as digits as its factorization.

51100352517593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 708750, while the sum is 47.

The spelling of 51100352517593 in words is "fifty-one trillion, one hundred billion, three hundred fifty-two million, five hundred seventeen thousand, five hundred ninety-three".