11155411504249 has 2 divisors, whose sum is σ = 11155411504250. Its totient is φ = 11155411504248.

The previous prime is 11155411504243. The next prime is 11155411504253. The reversal of 11155411504249 is 94240511455111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10649224789225 + 506186715024 = 3263315^2 + 711468^2 .

It is a cyclic number.

It is not a de Polignac number, because 11155411504249 - 2¹¹ = 11155411502201 is a prime.

It is a super-4 number, since 4×11155411504249⁴ (a number of 53 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (11155411504243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577705752124 + 5577705752125.

It is an arithmetic number, because the mean of its divisors is an integer number (5577705752125).

Almost surely, 2^{11155411504249} is an apocalyptic number.

It is an amenable number.

11155411504249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155411504249 is an equidigital number, since it uses as much as digits as its factorization.

11155411504249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 43.

The spelling of 11155411504249 in words is "eleven trillion, one hundred fifty-five billion, four hundred eleven million, five hundred four thousand, two hundred forty-nine".