1141170778 has 16 divisors (see below), whose sum is σ = 1868106240. Its totient is φ = 518509600.

The previous prime is 1141170773. The next prime is 1141170827. The reversal of 1141170778 is 8770711411.

It is a super-2 number, since 2×1141170778² = 2604541489122250568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1141170773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56583 + ... + 74053.

It is an arithmetic number, because the mean of its divisors is an integer number (116756640).

Almost surely, 2^1141170778 is an apocalyptic number.

1141170778 is a deficient number, since it is larger than the sum of its proper divisors (726935462).

1141170778 is a wasteful number, since it uses less digits than its factorization.

1141170778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20453.

The product of its (nonzero) digits is 10976, while the sum is 37.

The square root of 1141170778 is about 33781.2193089592. The cubic root of 1141170778 is about 1045.0014202952.

The spelling of 1141170778 in words is "one billion, one hundred forty-one million, one hundred seventy thousand, seven hundred seventy-eight".