2115515135 has 16 divisors (see below), whose sum is σ = 2549556000. Its totient is φ = 1685139456.

The previous prime is 2115515131. The next prime is 2115515147. The reversal of 2115515135 is 5315155112.

It is a cyclic number.

It is not a de Polignac number, because 2115515135 - 2² = 2115515131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2115515098 and 2115515107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115515131) 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 in 15 ways as a sum of consecutive naturals, for example, 1927907 + ... + 1929003.

It is an arithmetic number, because the mean of its divisors is an integer number (159347250).

Almost surely, 2^2115515135 is an apocalyptic number.

2115515135 is a deficient number, since it is larger than the sum of its proper divisors (434040865).

2115515135 is a wasteful number, since it uses less digits than its factorization.

2115515135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its digits is 3750, while the sum is 29.

The square root of 2115515135 is about 45994.7294263158. The cubic root of 2115515135 is about 1283.7251377294.

The spelling of 2115515135 in words is "two billion, one hundred fifteen million, five hundred fifteen thousand, one hundred thirty-five".