11000109977 has 2 divisors, whose sum is σ = 11000109978. Its totient is φ = 11000109976.

The previous prime is 11000109961. The next prime is 11000110003. The reversal of 11000109977 is 77990100011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9659744656 + 1340365321 = 98284^2 + 36611^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000109977 - 2⁴ = 11000109961 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000106977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500054988 + 5500054989.

It is an arithmetic number, because the mean of its divisors is an integer number (5500054989).

Almost surely, 2^11000109977 is an apocalyptic number.

It is an amenable number.

11000109977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000109977 is an equidigital number, since it uses as much as digits as its factorization.

11000109977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969, while the sum is 35.

Adding to 11000109977 its reverse (77990100011), we get a palindrome (88990209988).

The spelling of 11000109977 in words is "eleven billion, one hundred nine thousand, nine hundred seventy-seven".