11518572829 has 2 divisors, whose sum is σ = 11518572830. Its totient is φ = 11518572828.

The previous prime is 11518572811. The next prime is 11518572859. The reversal of 11518572829 is 92827581511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11428037604 + 90535225 = 106902^2 + 9515^2 .

It is a cyclic number.

It is not a de Polignac number, because 11518572829 - 2⁵ = 11518572797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11518572859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5759286414 + 5759286415.

It is an arithmetic number, because the mean of its divisors is an integer number (5759286415).

Almost surely, 2^11518572829 is an apocalyptic number.

It is an amenable number.

11518572829 is a deficient number, since it is larger than the sum of its proper divisors (1).

11518572829 is an equidigital number, since it uses as much as digits as its factorization.

11518572829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 49.

The spelling of 11518572829 in words is "eleven billion, five hundred eighteen million, five hundred seventy-two thousand, eight hundred twenty-nine".