1125545355 has 32 divisors (see below), whose sum is σ = 2182878720. Its totient is φ = 545718240.

The previous prime is 1125545347. The next prime is 1125545357. The reversal of 1125545355 is 5535455211.

1125545355 is a `hidden beast` number, since 1 + 1 + 2 + 554 + 53 + 55 = 666.

It is not a de Polignac number, because 1125545355 - 2³ = 1125545347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125545357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377487 + ... + 380456.

It is an arithmetic number, because the mean of its divisors is an integer number (68214960).

Almost surely, 2^1125545355 is an apocalyptic number.

1125545355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125545355 is a deficient number, since it is larger than the sum of its proper divisors (1057333365).

1125545355 is a wasteful number, since it uses less digits than its factorization.

1125545355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757968 (or 757962 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 1125545355 is about 33549.1483498464. The cubic root of 1125545355 is about 1040.2099412832.

The spelling of 1125545355 in words is "one billion, one hundred twenty-five million, five hundred forty-five thousand, three hundred fifty-five".