1115555011125 has 32 divisors (see below), whose sum is σ = 1875420543360. Its totient is φ = 588829017600.

The previous prime is 1115555011093. The next prime is 1115555011163. The reversal of 1115555011125 is 5211105555111.

It is not a de Polignac number, because 1115555011125 - 2⁵ = 1115555011093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15297715 + ... + 15370464.

It is an arithmetic number, because the mean of its divisors is an integer number (58606891980).

Almost surely, 2^{1115555011125} is an apocalyptic number.

1115555011125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115555011125 is a deficient number, since it is larger than the sum of its proper divisors (759865532235).

1115555011125 is an equidigital number, since it uses as much as digits as its factorization.

1115555011125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30668294 (or 30668284 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 33.

The spelling of 1115555011125 in words is "one trillion, one hundred fifteen billion, five hundred fifty-five million, eleven thousand, one hundred twenty-five".