10811869477 has 2 divisors, whose sum is σ = 10811869478. Its totient is φ = 10811869476.

The previous prime is 10811869451. The next prime is 10811869483. The reversal of 10811869477 is 77496811801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8745803361 + 2066066116 = 93519^2 + 45454^2 .

It is a cyclic number.

It is not a de Polignac number, because 10811869477 - 2²³ = 10803480869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10811869447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5405934738 + 5405934739.

It is an arithmetic number, because the mean of its divisors is an integer number (5405934739).

Almost surely, 2^10811869477 is an apocalyptic number.

It is an amenable number.

10811869477 is a deficient number, since it is larger than the sum of its proper divisors (1).

10811869477 is an equidigital number, since it uses as much as digits as its factorization.

10811869477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 52.

The spelling of 10811869477 in words is "ten billion, eight hundred eleven million, eight hundred sixty-nine thousand, four hundred seventy-seven".