1040330142251 has 2 divisors, whose sum is σ = 1040330142252. Its totient is φ = 1040330142250.

The previous prime is 1040330142239. The next prime is 1040330142259. The reversal of 1040330142251 is 1522410330401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040330142251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040330142251.

It is not a weakly prime, because it can be changed into another prime (1040330142259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520165071125 + 520165071126.

It is an arithmetic number, because the mean of its divisors is an integer number (520165071126).

Almost surely, 2^{1040330142251} is an apocalyptic number.

1040330142251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040330142251 is an equidigital number, since it uses as much as digits as its factorization.

1040330142251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1040330142251 its reverse (1522410330401), we get a palindrome (2562740472652).

The spelling of 1040330142251 in words is "one trillion, forty billion, three hundred thirty million, one hundred forty-two thousand, two hundred fifty-one".