11251440043 has 2 divisors, whose sum is σ = 11251440044. Its totient is φ = 11251440042.

The previous prime is 11251440017. The next prime is 11251440061. The reversal of 11251440043 is 34004415211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11251440043 is a prime.

It is not a weakly prime, because it can be changed into another prime (11251440143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625720021 + 5625720022.

It is an arithmetic number, because the mean of its divisors is an integer number (5625720022).

Almost surely, 2^11251440043 is an apocalyptic number.

11251440043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251440043 is an equidigital number, since it uses as much as digits as its factorization.

11251440043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11251440043 its reverse (34004415211), we get a palindrome (45255855254).

The spelling of 11251440043 in words is "eleven billion, two hundred fifty-one million, four hundred forty thousand, forty-three".