5171501155111 has 2 divisors, whose sum is σ = 5171501155112. Its totient is φ = 5171501155110.

The previous prime is 5171501155087. The next prime is 5171501155193. The reversal of 5171501155111 is 1115511051715.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5171501155111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171501155211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585750577555 + 2585750577556.

It is an arithmetic number, because the mean of its divisors is an integer number (2585750577556).

Almost surely, 2^{5171501155111} is an apocalyptic number.

5171501155111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171501155111 is an equidigital number, since it uses as much as digits as its factorization.

5171501155111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4375, while the sum is 34.

The spelling of 5171501155111 in words is "five trillion, one hundred seventy-one billion, five hundred one million, one hundred fifty-five thousand, one hundred eleven".