11742043553 has 2 divisors, whose sum is σ = 11742043554. Its totient is φ = 11742043552.

The previous prime is 11742043541. The next prime is 11742043571. The reversal of 11742043553 is 35534024711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9780616609 + 1961426944 = 98897^2 + 44288^2 .

It is an emirp because it is prime and its reverse (35534024711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11742043553 - 2¹² = 11742039457 is a prime.

It is not a weakly prime, because it can be changed into another prime (11742013553) 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, 5871021776 + 5871021777.

It is an arithmetic number, because the mean of its divisors is an integer number (5871021777).

Almost surely, 2^11742043553 is an apocalyptic number.

It is an amenable number.

11742043553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742043553 is an equidigital number, since it uses as much as digits as its factorization.

11742043553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 11742043553 in words is "eleven billion, seven hundred forty-two million, forty-three thousand, five hundred fifty-three".