1133805565381 has 8 divisors (see below), whose sum is σ = 1183351541760. Its totient is φ = 1084280429232.

The previous prime is 1133805565339. The next prime is 1133805565433. The reversal of 1133805565381 is 1835655083311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1133805565381 - 2⁹ = 1133805564869 is a prime.

It is a super-2 number, since 2×1133805565381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133805565331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5098821 + ... + 5316538.

It is an arithmetic number, because the mean of its divisors is an integer number (147918942720).

Almost surely, 2^{1133805565381} is an apocalyptic number.

It is an amenable number.

1133805565381 is a deficient number, since it is larger than the sum of its proper divisors (49545976379).

1133805565381 is a wasteful number, since it uses less digits than its factorization.

1133805565381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420115.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 1133805565381 in words is "one trillion, one hundred thirty-three billion, eight hundred five million, five hundred sixty-five thousand, three hundred eighty-one".