10511405969 has 2 divisors, whose sum is σ = 10511405970. Its totient is φ = 10511405968.

The previous prime is 10511405897. The next prime is 10511405977. The reversal of 10511405969 is 96950411501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8516890369 + 1994515600 = 92287^2 + 44660^2 .

It is a cyclic number.

It is not a de Polignac number, because 10511405969 - 2⁸ = 10511405713 is a prime.

It is a super-2 number, since 2×10511405969² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10511405669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255702984 + 5255702985.

It is an arithmetic number, because the mean of its divisors is an integer number (5255702985).

Almost surely, 2^10511405969 is an apocalyptic number.

It is an amenable number.

10511405969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10511405969 is an equidigital number, since it uses as much as digits as its factorization.

10511405969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 41.

The spelling of 10511405969 in words is "ten billion, five hundred eleven million, four hundred five thousand, nine hundred sixty-nine".