1113515129 has 2 divisors, whose sum is σ = 1113515130. Its totient is φ = 1113515128.

The previous prime is 1113515099. The next prime is 1113515171. The reversal of 1113515129 is 9215153111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748131904 + 365383225 = 27352^2 + 19115^2 .

It is an emirp because it is prime and its reverse (9215153111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113515129 - 2²⁴ = 1096737913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113515189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556757564 + 556757565.

It is an arithmetic number, because the mean of its divisors is an integer number (556757565).

Almost surely, 2^1113515129 is an apocalyptic number.

It is an amenable number.

1113515129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113515129 is an equidigital number, since it uses as much as digits as its factorization.

1113515129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 29.

The square root of 1113515129 is about 33369.3741175947. The cubic root of 1113515129 is about 1036.4906148218.

The spelling of 1113515129 in words is "one billion, one hundred thirteen million, five hundred fifteen thousand, one hundred twenty-nine".