1151335125 has 24 divisors (see below), whose sum is σ = 2075475480. Its totient is φ = 614044800.

The previous prime is 1151335123. The next prime is 1151335139. The reversal of 1151335125 is 5215331511.

1151335125 is a `hidden beast` number, since 1 + 15 + 133 + 512 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 904401 + 1150430724 = 951^2 + 33918^2 .

It is not a de Polignac number, because 1151335125 - 2¹ = 1151335123 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151335121) 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 23 ways as a sum of consecutive naturals, for example, 510580 + ... + 512829.

It is an arithmetic number, because the mean of its divisors is an integer number (86478145).

Almost surely, 2^1151335125 is an apocalyptic number.

1151335125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151335125 is a deficient number, since it is larger than the sum of its proper divisors (924140355).

1151335125 is a wasteful number, since it uses less digits than its factorization.

1151335125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023430 (or 1023417 counting only the distinct ones).

The product of its digits is 2250, while the sum is 27.

The square root of 1151335125 is about 33931.3295495476. The cubic root of 1151335125 is about 1048.0948446324.

Adding to 1151335125 its reverse (5215331511), we get a palindrome (6366666636).

The spelling of 1151335125 in words is "one billion, one hundred fifty-one million, three hundred thirty-five thousand, one hundred twenty-five".