1135388825 has 6 divisors (see below), whose sum is σ = 1407882174. Its totient is φ = 908311040.

The previous prime is 1135388819. The next prime is 1135388827. The reversal of 1135388825 is 5288835311.

It can be written as a sum of positive squares in 3 ways, for example, as 126945289 + 1008443536 = 11267^2 + 31756^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1135388825 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1135388827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22707752 + ... + 22707801.

It is an arithmetic number, because the mean of its divisors is an integer number (234647029).

Almost surely, 2^1135388825 is an apocalyptic number.

It is an amenable number.

1135388825 is a deficient number, since it is larger than the sum of its proper divisors (272493349).

1135388825 is an equidigital number, since it uses as much as digits as its factorization.

1135388825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45415563 (or 45415558 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 1135388825 is about 33695.5312319008. The cubic root of 1135388825 is about 1043.2335334341.

The spelling of 1135388825 in words is "one billion, one hundred thirty-five million, three hundred eighty-eight thousand, eight hundred twenty-five".