11143640577 has 8 divisors (see below), whose sum is σ = 14859886464. Its totient is φ = 7428244208.

The previous prime is 11143640569. The next prime is 11143640593. The reversal of 11143640577 is 77504634111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11143640577 - 2³ = 11143640569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11143640597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181113 + ... + 234710.

It is an arithmetic number, because the mean of its divisors is an integer number (1857485808).

Almost surely, 2^11143640577 is an apocalyptic number.

It is an amenable number.

11143640577 is a deficient number, since it is larger than the sum of its proper divisors (3716245887).

11143640577 is an equidigital number, since it uses as much as digits as its factorization.

11143640577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424759.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 11143640577 in words is "eleven billion, one hundred forty-three million, six hundred forty thousand, five hundred seventy-seven".