10519538134991 has 2 divisors, whose sum is σ = 10519538134992. Its totient is φ = 10519538134990.

The previous prime is 10519538134981. The next prime is 10519538135053. The reversal of 10519538134991 is 19943183591501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10519538134991 - 2³⁰ = 10518464393167 is a prime.

It is a super-2 number, since 2×10519538134991² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10519538134991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10519538134981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5259769067495 + 5259769067496.

It is an arithmetic number, because the mean of its divisors is an integer number (5259769067496).

Almost surely, 2^{10519538134991} is an apocalyptic number.

10519538134991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10519538134991 is an equidigital number, since it uses as much as digits as its factorization.

10519538134991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 59.

The spelling of 10519538134991 in words is "ten trillion, five hundred nineteen billion, five hundred thirty-eight million, one hundred thirty-four thousand, nine hundred ninety-one".