5105105011087 has 2 divisors, whose sum is σ = 5105105011088. Its totient is φ = 5105105011086.

The previous prime is 5105105011057. The next prime is 5105105011147. The reversal of 5105105011087 is 7801105015015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105105011087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105105011057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552552505543 + 2552552505544.

It is an arithmetic number, because the mean of its divisors is an integer number (2552552505544).

Almost surely, 2^{5105105011087} is an apocalyptic number.

5105105011087 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105105011087 is an equidigital number, since it uses as much as digits as its factorization.

5105105011087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 34.

The spelling of 5105105011087 in words is "five trillion, one hundred five billion, one hundred five million, eleven thousand, eighty-seven".