11008885801 has 2 divisors, whose sum is σ = 11008885802. Its totient is φ = 11008885800.

The previous prime is 11008885799. The next prime is 11008885813. The reversal of 11008885801 is 10858880011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10547495401 + 461390400 = 102701^2 + 21480^2 .

It is a cyclic number.

It is not a de Polignac number, because 11008885801 - 2¹ = 11008885799 is a prime.

Together with 11008885799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11008885871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5504442900 + 5504442901.

It is an arithmetic number, because the mean of its divisors is an integer number (5504442901).

Almost surely, 2^11008885801 is an apocalyptic number.

It is an amenable number.

11008885801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11008885801 is an equidigital number, since it uses as much as digits as its factorization.

11008885801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 40.

It can be divided in two parts, 11008 and 885801, that added together give a square (896809 = 947²).

The spelling of 11008885801 in words is "eleven billion, eight million, eight hundred eighty-five thousand, eight hundred one".