1149224227965 has 32 divisors (see below), whose sum is σ = 2228798505600. Its totient is φ = 557199624960.

The previous prime is 1149224227961. The next prime is 1149224227967. The reversal of 1149224227965 is 5697224229411.

1149224227965 is a `hidden beast` number, since 1 + 1 + 4 + 92 + 2 + 422 + 79 + 65 = 666.

It is not a de Polignac number, because 1149224227965 - 2² = 1149224227961 is a prime.

It is a super-2 number, since 2×1149224227965² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149224227961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386942700 + ... + 386945669.

It is an arithmetic number, because the mean of its divisors is an integer number (69649953300).

Almost surely, 2^{1149224227965} is an apocalyptic number.

1149224227965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1149224227965 is a deficient number, since it is larger than the sum of its proper divisors (1079574277635).

1149224227965 is a wasteful number, since it uses less digits than its factorization.

1149224227965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773888394 (or 773888388 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 1149224227965 in words is "one trillion, one hundred forty-nine billion, two hundred twenty-four million, two hundred twenty-seven thousand, nine hundred sixty-five".