1155641417 has 16 divisors (see below), whose sum is σ = 1379393280. Its totient is φ = 946632192.

The previous prime is 1155641407. The next prime is 1155641423. The reversal of 1155641417 is 7141465511.

It is a cyclic number.

It is not a de Polignac number, because 1155641417 - 2⁶ = 1155641353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155641407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228209 + ... + 233217.

It is an arithmetic number, because the mean of its divisors is an integer number (86212080).

Almost surely, 2^1155641417 is an apocalyptic number.

It is an amenable number.

1155641417 is a deficient number, since it is larger than the sum of its proper divisors (223751863).

1155641417 is a wasteful number, since it uses less digits than its factorization.

1155641417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472.

The product of its digits is 16800, while the sum is 35.

The square root of 1155641417 is about 33994.7263115913. The cubic root of 1155641417 is about 1049.3999343819.

The spelling of 1155641417 in words is "one billion, one hundred fifty-five million, six hundred forty-one thousand, four hundred seventeen".