11155604329 has 2 divisors, whose sum is σ = 11155604330. Its totient is φ = 11155604328.

The previous prime is 11155604321. The next prime is 11155604347. The reversal of 11155604329 is 92340655111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8041964329 + 3113640000 = 89677^2 + 55800^2 .

It is a cyclic number.

It is not a de Polignac number, because 11155604329 - 2³ = 11155604321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11155604321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577802164 + 5577802165.

It is an arithmetic number, because the mean of its divisors is an integer number (5577802165).

Almost surely, 2^11155604329 is an apocalyptic number.

It is an amenable number.

11155604329 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155604329 is an equidigital number, since it uses as much as digits as its factorization.

11155604329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 11155604329 in words is "eleven billion, one hundred fifty-five million, six hundred four thousand, three hundred twenty-nine".