1366225011 has 6 divisors (see below), whose sum is σ = 1973436140. Its totient is φ = 910816668.

The previous prime is 1366224997. The next prime is 1366225019. The reversal of 1366225011 is 1105226631.

1366225011 is a `hidden beast` number, since 1 + 36 + 622 + 5 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 1366225011 - 2⁷ = 1366224883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366225019) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 75901381 + ... + 75901398.

Almost surely, 2^1366225011 is an apocalyptic number.

1366225011 is a deficient number, since it is larger than the sum of its proper divisors (607211129).

1366225011 is a wasteful number, since it uses less digits than its factorization.

1366225011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151802785 (or 151802782 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1366225011 is about 36962.4811261365. The cubic root of 1366225011 is about 1109.6194921724.

The spelling of 1366225011 in words is "one billion, three hundred sixty-six million, two hundred twenty-five thousand, eleven".