11155479529 has 2 divisors, whose sum is σ = 11155479530. Its totient is φ = 11155479528.

The previous prime is 11155479523. The next prime is 11155479553. The reversal of 11155479529 is 92597455111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9904230400 + 1251249129 = 99520^2 + 35373^2 .

It is a cyclic number.

It is not a de Polignac number, because 11155479529 - 2³ = 11155479521 is a prime.

It is not a weakly prime, because it can be changed into another prime (11155479521) 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, 5577739764 + 5577739765.

It is an arithmetic number, because the mean of its divisors is an integer number (5577739765).

Almost surely, 2^11155479529 is an apocalyptic number.

It is an amenable number.

11155479529 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155479529 is an equidigital number, since it uses as much as digits as its factorization.

11155479529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 49.

The spelling of 11155479529 in words is "eleven billion, one hundred fifty-five million, four hundred seventy-nine thousand, five hundred twenty-nine".