1115525201 has 16 divisors (see below), whose sum is σ = 1287229440. Its totient is φ = 946935360.

The previous prime is 1115525197. The next prime is 1115525209. The reversal of 1115525201 is 1025255111.

It is not a de Polignac number, because 1115525201 - 2² = 1115525197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115525209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907055 + ... + 908283.

It is an arithmetic number, because the mean of its divisors is an integer number (80451840).

Almost surely, 2^1115525201 is an apocalyptic number.

It is an amenable number.

1115525201 is a deficient number, since it is larger than the sum of its proper divisors (171704239).

1115525201 is a wasteful number, since it uses less digits than its factorization.

1115525201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1115525201 is about 33399.4790528236. The cubic root of 1115525201 is about 1037.1139167507.

The spelling of 1115525201 in words is "one billion, one hundred fifteen million, five hundred twenty-five thousand, two hundred one".