1151136655 has 4 divisors (see below), whose sum is σ = 1381363992. Its totient is φ = 920909320.

The previous prime is 1151136647. The next prime is 1151136661. The reversal of 1151136655 is 5566311511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5566311511 = 509 ⋅10935779.

It is not a de Polignac number, because 1151136655 - 2³ = 1151136647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151136655.

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, 115113661 + ... + 115113670.

It is an arithmetic number, because the mean of its divisors is an integer number (345340998).

Almost surely, 2^1151136655 is an apocalyptic number.

1151136655 is a deficient number, since it is larger than the sum of its proper divisors (230227337).

1151136655 is an equidigital number, since it uses as much as digits as its factorization.

1151136655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230227336.

The product of its digits is 13500, while the sum is 34.

The square root of 1151136655 is about 33928.4048401925. The cubic root of 1151136655 is about 1048.0346167765.

The spelling of 1151136655 in words is "one billion, one hundred fifty-one million, one hundred thirty-six thousand, six hundred fifty-five".