1040051441321 has 4 divisors (see below), whose sum is σ = 1040054194644. Its totient is φ = 1040048688000.

The previous prime is 1040051441269. The next prime is 1040051441357. The reversal of 1040051441321 is 1231441500401.

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 947826862096 + 92224579225 = 973564^2 + 303685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040051441321 - 2¹⁸ = 1040051179177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040051441521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698780 + ... + 1602621.

It is an arithmetic number, because the mean of its divisors is an integer number (260013548661).

Almost surely, 2^{1040051441321} is an apocalyptic number.

It is an amenable number.

1040051441321 is a deficient number, since it is larger than the sum of its proper divisors (2753323).

1040051441321 is an equidigital number, since it uses as much as digits as its factorization.

1040051441321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753322.

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

Adding to 1040051441321 its reverse (1231441500401), we get a palindrome (2271492941722).

The spelling of 1040051441321 in words is "one trillion, forty billion, fifty-one million, four hundred forty-one thousand, three hundred twenty-one".