11100320177 has 2 divisors, whose sum is σ = 11100320178. Its totient is φ = 11100320176.

The previous prime is 11100320173. The next prime is 11100320291. The reversal of 11100320177 is 77102300111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11097358336 + 2961841 = 105344^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100320177 - 2² = 11100320173 is a prime.

It is a super-2 number, since 2×11100320177² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11100320173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550160088 + 5550160089.

It is an arithmetic number, because the mean of its divisors is an integer number (5550160089).

Almost surely, 2^11100320177 is an apocalyptic number.

It is an amenable number.

11100320177 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100320177 is an equidigital number, since it uses as much as digits as its factorization.

11100320177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 23.

Adding to 11100320177 its reverse (77102300111), we get a palindrome (88202620288).

The spelling of 11100320177 in words is "eleven billion, one hundred million, three hundred twenty thousand, one hundred seventy-seven".