5101611801511 has 2 divisors, whose sum is σ = 5101611801512. Its totient is φ = 5101611801510.

The previous prime is 5101611801449. The next prime is 5101611801527. The reversal of 5101611801511 is 1151081161015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5101611801511 - 2¹⁹ = 5101611277223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5101611801571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550805900755 + 2550805900756.

It is an arithmetic number, because the mean of its divisors is an integer number (2550805900756).

Almost surely, 2^{5101611801511} is an apocalyptic number.

5101611801511 is a deficient number, since it is larger than the sum of its proper divisors (1).

5101611801511 is an equidigital number, since it uses as much as digits as its factorization.

5101611801511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 31.

Adding to 5101611801511 its reverse (1151081161015), we get a palindrome (6252692962526).

The spelling of 5101611801511 in words is "five trillion, one hundred one billion, six hundred eleven million, eight hundred one thousand, five hundred eleven".