1125523355 has 16 divisors (see below), whose sum is σ = 1520944128. Its totient is φ = 792156000.

The previous prime is 1125523339. The next prime is 1125523391. The reversal of 1125523355 is 5533255211.

It is not a de Polignac number, because 1125523355 - 2⁴ = 1125523339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328361 + ... + 331770.

It is an arithmetic number, because the mean of its divisors is an integer number (95059008).

Almost surely, 2^1125523355 is an apocalyptic number.

1125523355 is a deficient number, since it is larger than the sum of its proper divisors (395420773).

1125523355 is a wasteful number, since it uses less digits than its factorization.

1125523355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660178.

The product of its digits is 22500, while the sum is 32.

The square root of 1125523355 is about 33548.8204710687. The cubic root of 1125523355 is about 1040.2031638966.

Adding to 1125523355 its reverse (5533255211), we get a palindrome (6658778566).

The spelling of 1125523355 in words is "one billion, one hundred twenty-five million, five hundred twenty-three thousand, three hundred fifty-five".