11068636898 has 18 divisors (see below), whose sum is σ = 18252228267. Its totient is φ = 5030454660.

The previous prime is 11068636877. The next prime is 11068636919. The reversal of 11068636898 is 89863686011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11068636877) and next prime (11068636919).

It can be written as a sum of positive squares in only one way, i.e., 5534318449 + 5534318449 = 74393^2 + 74393^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=74393.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1633265 + ... + 1640027.

Almost surely, 2^11068636898 is an apocalyptic number.

11068636898 is a deficient number, since it is larger than the sum of its proper divisors (7183591369).

11068636898 is an frugal number, since it uses more digits than its factorization.

11068636898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13550 (or 6776 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 11068636898 in words is "eleven billion, sixty-eight million, six hundred thirty-six thousand, eight hundred ninety-eight".