1150525665 has 96 divisors (see below), whose sum is σ = 2151152640. Its totient is φ = 567523968.

The previous prime is 1150525603. The next prime is 1150525667. The reversal of 1150525665 is 5665250511.

It is not a de Polignac number, because 1150525665 - 2⁹ = 1150525153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1150525667) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5068282 + ... + 5068508.

It is an arithmetic number, because the mean of its divisors is an integer number (22407840).

Almost surely, 2^1150525665 is an apocalyptic number.

1150525665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1150525665 is a deficient number, since it is larger than the sum of its proper divisors (1000626975).

1150525665 is a wasteful number, since it uses less digits than its factorization.

1150525665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 1150525665 is about 33919.3995377277. The cubic root of 1150525665 is about 1047.8491618200.

The spelling of 1150525665 in words is "one billion, one hundred fifty million, five hundred twenty-five thousand, six hundred sixty-five".