1040344501121 has 2 divisors, whose sum is σ = 1040344501122. Its totient is φ = 1040344501120.

The previous prime is 1040344501111. The next prime is 1040344501123. The reversal of 1040344501121 is 1211054430401.

1040344501121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580065024400 + 460279476721 = 761620^2 + 678439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040344501121 - 2¹⁴ = 1040344484737 is a prime.

Together with 1040344501123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1040344501123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520172250560 + 520172250561.

It is an arithmetic number, because the mean of its divisors is an integer number (520172250561).

Almost surely, 2^{1040344501121} is an apocalyptic number.

It is an amenable number.

1040344501121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040344501121 is an equidigital number, since it uses as much as digits as its factorization.

1040344501121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1040344501121 its reverse (1211054430401), we get a palindrome (2251398931522).

The spelling of 1040344501121 in words is "one trillion, forty billion, three hundred forty-four million, five hundred one thousand, one hundred twenty-one".