2115525063 has 16 divisors (see below), whose sum is σ = 2874119040. Its totient is φ = 1383734304.

The previous prime is 2115525059. The next prime is 2115525103. The reversal of 2115525063 is 3605255112.

It is a happy number.

It is not a de Polignac number, because 2115525063 - 2² = 2115525059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2115525063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115525053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81145 + ... + 103997.

It is an arithmetic number, because the mean of its divisors is an integer number (179632440).

Almost surely, 2^2115525063 is an apocalyptic number.

2115525063 is a deficient number, since it is larger than the sum of its proper divisors (758593977).

2115525063 is a wasteful number, since it uses less digits than its factorization.

2115525063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23438.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2115525063 is about 45994.8373515985. The cubic root of 2115525063 is about 1283.7271458775.

The spelling of 2115525063 in words is "two billion, one hundred fifteen million, five hundred twenty-five thousand, sixty-three".