1135198655 has 4 divisors (see below), whose sum is σ = 1362238392. Its totient is φ = 908158920.

The previous prime is 1135198639. The next prime is 1135198697. The reversal of 1135198655 is 5568915311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5568915311 = 4409 ⋅1263079.

It is not a de Polignac number, because 1135198655 - 2⁴ = 1135198639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113519861 + ... + 113519870.

It is an arithmetic number, because the mean of its divisors is an integer number (340559598).

Almost surely, 2^1135198655 is an apocalyptic number.

1135198655 is a deficient number, since it is larger than the sum of its proper divisors (227039737).

1135198655 is an equidigital number, since it uses as much as digits as its factorization.

1135198655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227039736.

The product of its digits is 162000, while the sum is 44.

The square root of 1135198655 is about 33692.7092261813. The cubic root of 1135198655 is about 1043.1752853127.

The spelling of 1135198655 in words is "one billion, one hundred thirty-five million, one hundred ninety-eight thousand, six hundred fifty-five".