1011332540291 has 2 divisors, whose sum is σ = 1011332540292. Its totient is φ = 1011332540290.

The previous prime is 1011332540287. The next prime is 1011332540357. The reversal of 1011332540291 is 1920452331101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011332540291 - 2² = 1011332540287 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011332440291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505666270145 + 505666270146.

It is an arithmetic number, because the mean of its divisors is an integer number (505666270146).

Almost surely, 2^{1011332540291} is an apocalyptic number.

1011332540291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011332540291 is an equidigital number, since it uses as much as digits as its factorization.

1011332540291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 1011332540291 its reverse (1920452331101), we get a palindrome (2931784871392).

The spelling of 1011332540291 in words is "one trillion, eleven billion, three hundred thirty-two million, five hundred forty thousand, two hundred ninety-one".