1140536366381 has 4 divisors (see below), whose sum is σ = 1207626740892. Its totient is φ = 1073445991872.

The previous prime is 1140536366377. The next prime is 1140536366383. The reversal of 1140536366381 is 1836636350411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 811186634281 + 329349732100 = 900659^2 + 573890^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140536366381 - 2² = 1140536366377 is a prime.

It is a super-2 number, since 2×1140536366381² (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 (1140536366383) 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 3 ways as a sum of consecutive naturals, for example, 33545187230 + ... + 33545187263.

It is an arithmetic number, because the mean of its divisors is an integer number (301906685223).

Almost surely, 2^{1140536366381} is an apocalyptic number.

It is an amenable number.

1140536366381 is a deficient number, since it is larger than the sum of its proper divisors (67090374511).

1140536366381 is an equidigital number, since it uses as much as digits as its factorization.

1140536366381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67090374510.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 1140536366381 in words is "one trillion, one hundred forty billion, five hundred thirty-six million, three hundred sixty-six thousand, three hundred eighty-one".