1135887525 has 36 divisors (see below), whose sum is σ = 2037779172. Its totient is φ = 604830720.

The previous prime is 1135887491. The next prime is 1135887547. The reversal of 1135887525 is 5257885311.

1135887525 is a `hidden beast` number, since 1 + 13 + 588 + 7 + 52 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 13771521 + 1122116004 = 3711^2 + 33498^2 .

It is not a de Polignac number, because 1135887525 - 2¹³ = 1135879333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 148597 + ... + 156053.

It is an arithmetic number, because the mean of its divisors is an integer number (56604977).

Almost surely, 2^1135887525 is an apocalyptic number.

1135887525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1135887525 is a deficient number, since it is larger than the sum of its proper divisors (901891647).

1135887525 is a wasteful number, since it uses less digits than its factorization.

1135887525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8142 counting only the distinct ones).

The product of its digits is 336000, while the sum is 45.

The square root of 1135887525 is about 33702.9305105654. The cubic root of 1135887525 is about 1043.3862518681.

The spelling of 1135887525 in words is "one billion, one hundred thirty-five million, eight hundred eighty-seven thousand, five hundred twenty-five".