1115125505 has 16 divisors (see below), whose sum is σ = 1447932864. Its totient is φ = 819564480.

The previous prime is 1115125439. The next prime is 1115125507. The reversal of 1115125505 is 5055215111.

It is not a de Polignac number, because 1115125505 - 2²² = 1110931201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115125507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26939 + ... + 54368.

It is an arithmetic number, because the mean of its divisors is an integer number (90495804).

Almost surely, 2^1115125505 is an apocalyptic number.

It is an amenable number.

1115125505 is a deficient number, since it is larger than the sum of its proper divisors (332807359).

1115125505 is a wasteful number, since it uses less digits than its factorization.

1115125505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81536.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 1115125505 is about 33393.4949503642. The cubic root of 1115125505 is about 1036.9900349527.

The spelling of 1115125505 in words is "one billion, one hundred fifteen million, one hundred twenty-five thousand, five hundred five".