11641315177 has 4 divisors (see below), whose sum is σ = 11642558976. Its totient is φ = 11640071380.

The previous prime is 11641315163. The next prime is 11641315187. The reversal of 11641315177 is 77151314611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11641315177 - 2²⁷ = 11507097449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11641315187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607753 + ... + 626614.

It is an arithmetic number, because the mean of its divisors is an integer number (2910639744).

Almost surely, 2^11641315177 is an apocalyptic number.

It is an amenable number.

11641315177 is a deficient number, since it is larger than the sum of its proper divisors (1243799).

11641315177 is an equidigital number, since it uses as much as digits as its factorization.

11641315177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243798.

The product of its digits is 17640, while the sum is 37.

Adding to 11641315177 its reverse (77151314611), we get a palindrome (88792629788).

The spelling of 11641315177 in words is "eleven billion, six hundred forty-one million, three hundred fifteen thousand, one hundred seventy-seven".