11177101745 has 4 divisors (see below), whose sum is σ = 13412522100. Its totient is φ = 8941681392.

The previous prime is 11177101681. The next prime is 11177101769. The reversal of 11177101745 is 54710177111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8071045921 + 3106055824 = 89839^2 + 55732^2 .

It is a cyclic number.

It is not a de Polignac number, because 11177101745 - 2⁶ = 11177101681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117710170 + ... + 1117710179.

It is an arithmetic number, because the mean of its divisors is an integer number (3353130525).

Almost surely, 2^11177101745 is an apocalyptic number.

It is an amenable number.

11177101745 is a deficient number, since it is larger than the sum of its proper divisors (2235420355).

11177101745 is an equidigital number, since it uses as much as digits as its factorization.

11177101745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235420354.

The product of its (nonzero) digits is 6860, while the sum is 35.

Adding to 11177101745 its reverse (54710177111), we get a palindrome (65887278856).

The spelling of 11177101745 in words is "eleven billion, one hundred seventy-seven million, one hundred one thousand, seven hundred forty-five".