1155262024321 has 2 divisors, whose sum is σ = 1155262024322. Its totient is φ = 1155262024320.

The previous prime is 1155262024291. The next prime is 1155262024439. The reversal of 1155262024321 is 1234202625511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 843295092721 + 311966931600 = 918311^2 + 558540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155262024321 - 2⁵ = 1155262024289 is a prime.

It is a super-2 number, since 2×1155262024321² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1155262024121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577631012160 + 577631012161.

It is an arithmetic number, because the mean of its divisors is an integer number (577631012161).

Almost surely, 2^{1155262024321} is an apocalyptic number.

It is an amenable number.

1155262024321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155262024321 is an equidigital number, since it uses as much as digits as its factorization.

1155262024321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 1155262024321 its reverse (1234202625511), we get a palindrome (2389464649832).

The spelling of 1155262024321 in words is "one trillion, one hundred fifty-five billion, two hundred sixty-two million, twenty-four thousand, three hundred twenty-one".