1125035555 has 16 divisors (see below), whose sum is σ = 1550668800. Its totient is φ = 767571552.

The previous prime is 1125035533. The next prime is 1125035563. The reversal of 1125035555 is 5555305211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125035555 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, 73799 + ... + 87728.

It is an arithmetic number, because the mean of its divisors is an integer number (96916800).

Almost surely, 2^1125035555 is an apocalyptic number.

1125035555 is a deficient number, since it is larger than the sum of its proper divisors (425633245).

1125035555 is a wasteful number, since it uses less digits than its factorization.

1125035555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161738.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 1125035555 is about 33541.5496809554. The cubic root of 1125035555 is about 1040.0528680595.

The spelling of 1125035555 in words is "one billion, one hundred twenty-five million, thirty-five thousand, five hundred fifty-five".