10512130551991 has 2 divisors, whose sum is σ = 10512130551992. Its totient is φ = 10512130551990.

The previous prime is 10512130551971. The next prime is 10512130552057. The reversal of 10512130551991 is 19915503121501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10512130551991 - 2⁹ = 10512130551479 is a prime.

It is a super-2 number, since 2×10512130551991² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10512130551971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256065275995 + 5256065275996.

It is an arithmetic number, because the mean of its divisors is an integer number (5256065275996).

Almost surely, 2^{10512130551991} is an apocalyptic number.

10512130551991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10512130551991 is an equidigital number, since it uses as much as digits as its factorization.

10512130551991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 43.

The spelling of 10512130551991 in words is "ten trillion, five hundred twelve billion, one hundred thirty million, five hundred fifty-one thousand, nine hundred ninety-one".