1140404707081 has 4 divisors (see below), whose sum is σ = 1140412115200. Its totient is φ = 1140397298964.

The previous prime is 1140404707063. The next prime is 1140404707103. The reversal of 1140404707081 is 1807074040411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140404707081 - 2¹³ = 1140404698889 is a prime.

It is a super-2 number, since 2×1140404707081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140404707081.

It is not an unprimeable number, because it can be changed into a prime (1140404707181) 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, 3468141 + ... + 3782698.

It is an arithmetic number, because the mean of its divisors is an integer number (285103028800).

Almost surely, 2^{1140404707081} is an apocalyptic number.

It is an amenable number.

1140404707081 is a deficient number, since it is larger than the sum of its proper divisors (7408119).

1140404707081 is an equidigital number, since it uses as much as digits as its factorization.

1140404707081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408118.

The product of its (nonzero) digits is 25088, while the sum is 37.

Adding to 1140404707081 its reverse (1807074040411), we get a palindrome (2947478747492).

The spelling of 1140404707081 in words is "one trillion, one hundred forty billion, four hundred four million, seven hundred seven thousand, eighty-one".