1163635055 has 16 divisors (see below), whose sum is σ = 1524036384. Its totient is φ = 845873280.

The previous prime is 1163635049. The next prime is 1163635061. The reversal of 1163635055 is 5505363611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1163635049) and next prime (1163635061).

It is not a de Polignac number, because 1163635055 - 2⁶ = 1163634991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156809 + ... + 164061.

It is an arithmetic number, because the mean of its divisors is an integer number (95252274).

Almost surely, 2^1163635055 is an apocalyptic number.

1163635055 is a deficient number, since it is larger than the sum of its proper divisors (360401329).

1163635055 is a wasteful number, since it uses less digits than its factorization.

1163635055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10186.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 1163635055 is about 34112.0954354903. The cubic root of 1163635055 is about 1051.8139634381.

Adding to 1163635055 its reverse (5505363611), we get a palindrome (6668998666).

The spelling of 1163635055 in words is "one billion, one hundred sixty-three million, six hundred thirty-five thousand, fifty-five".