10556050909 has 2 divisors, whose sum is σ = 10556050910. Its totient is φ = 10556050908.

The previous prime is 10556050891. The next prime is 10556050927. The reversal of 10556050909 is 90905065501.

It is a balanced prime because it is at equal distance from previous prime (10556050891) and next prime (10556050927).

It can be written as a sum of positive squares in only one way, i.e., 5546525625 + 5009525284 = 74475^2 + 70778^2 .

It is a cyclic number.

It is not a de Polignac number, because 10556050909 - 2⁵ = 10556050877 is a prime.

It is a super-2 number, since 2×10556050909² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10556050409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278025454 + 5278025455.

It is an arithmetic number, because the mean of its divisors is an integer number (5278025455).

Almost surely, 2^10556050909 is an apocalyptic number.

It is an amenable number.

10556050909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10556050909 is an equidigital number, since it uses as much as digits as its factorization.

10556050909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 40.

The spelling of 10556050909 in words is "ten billion, five hundred fifty-six million, fifty thousand, nine hundred nine".