1133771555 has 12 divisors (see below), whose sum is σ = 1582652880. Its totient is φ = 777443184.

The previous prime is 1133771539. The next prime is 1133771563. The reversal of 1133771555 is 5551773311.

It is not a de Polignac number, because 1133771555 - 2⁴ = 1133771539 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 2313575 + ... + 2314064.

It is an arithmetic number, because the mean of its divisors is an integer number (131887740).

Almost surely, 2^1133771555 is an apocalyptic number.

1133771555 is a deficient number, since it is larger than the sum of its proper divisors (448881325).

1133771555 is an equidigital number, since it uses as much as digits as its factorization.

1133771555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627658 (or 4627651 counting only the distinct ones).

The product of its digits is 55125, while the sum is 38.

The square root of 1133771555 is about 33671.5243937663. The cubic root of 1133771555 is about 1042.7379639919.

The spelling of 1133771555 in words is "one billion, one hundred thirty-three million, seven hundred seventy-one thousand, five hundred fifty-five".