11463125897809 has 2 divisors, whose sum is σ = 11463125897810. Its totient is φ = 11463125897808.

The previous prime is 11463125897803. The next prime is 11463125897813. The reversal of 11463125897809 is 90879852136411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11463099918400 + 25979409 = 3385720^2 + 5097^2 .

It is a cyclic number.

It is not a de Polignac number, because 11463125897809 - 2³⁷ = 11325686944337 is a prime.

It is a super-2 number, since 2×11463125897809² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11463125897803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5731562948904 + 5731562948905.

It is an arithmetic number, because the mean of its divisors is an integer number (5731562948905).

It is a 1-persistent number, because it is pandigital, but 2⋅11463125897809 = 22926251795618 is not.

Almost surely, 2^{11463125897809} is an apocalyptic number.

It is an amenable number.

11463125897809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11463125897809 is an equidigital number, since it uses as much as digits as its factorization.

11463125897809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 64.

The spelling of 11463125897809 in words is "eleven trillion, four hundred sixty-three billion, one hundred twenty-five million, eight hundred ninety-seven thousand, eight hundred nine".