11008129477 has 2 divisors, whose sum is σ = 11008129478. Its totient is φ = 11008129476.

The previous prime is 11008129421. The next prime is 11008129523. The reversal of 11008129477 is 77492180011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10866186081 + 141943396 = 104241^2 + 11914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11008129477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11008129177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5504064738 + 5504064739.

It is an arithmetic number, because the mean of its divisors is an integer number (5504064739).

Almost surely, 2^11008129477 is an apocalyptic number.

It is an amenable number.

11008129477 is a deficient number, since it is larger than the sum of its proper divisors (1).

11008129477 is an equidigital number, since it uses as much as digits as its factorization.

11008129477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 40.

The spelling of 11008129477 in words is "eleven billion, eight million, one hundred twenty-nine thousand, four hundred seventy-seven".