11146045549 has 2 divisors, whose sum is σ = 11146045550. Its totient is φ = 11146045548.

The previous prime is 11146045531. The next prime is 11146045607. The reversal of 11146045549 is 94554064111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8302489924 + 2843555625 = 91118^2 + 53325^2 .

It is a cyclic number.

It is not a de Polignac number, because 11146045549 - 2⁵ = 11146045517 is a prime.

It is a super-2 number, since 2×11146045549² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11146045849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573022774 + 5573022775.

It is an arithmetic number, because the mean of its divisors is an integer number (5573022775).

Almost surely, 2^11146045549 is an apocalyptic number.

It is an amenable number.

11146045549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11146045549 is an equidigital number, since it uses as much as digits as its factorization.

11146045549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 11146045549 in words is "eleven billion, one hundred forty-six million, forty-five thousand, five hundred forty-nine".