1115315137 has 2 divisors, whose sum is σ = 1115315138. Its totient is φ = 1115315136.

The previous prime is 1115315119. The next prime is 1115315171. The reversal of 1115315137 is 7315135111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965717776 + 149597361 = 31076^2 + 12231^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115315137 - 2⁷ = 1115315009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115312137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557657568 + 557657569.

It is an arithmetic number, because the mean of its divisors is an integer number (557657569).

Almost surely, 2^1115315137 is an apocalyptic number.

It is an amenable number.

1115315137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115315137 is an equidigital number, since it uses as much as digits as its factorization.

1115315137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1575, while the sum is 28.

The square root of 1115315137 is about 33396.3341850569. The cubic root of 1115315137 is about 1037.0488131941.

The spelling of 1115315137 in words is "one billion, one hundred fifteen million, three hundred fifteen thousand, one hundred thirty-seven".