181130767725 has 12 divisors (see below), whose sum is σ = 299469536096. Its totient is φ = 96603076080.

The previous prime is 181130767717. The next prime is 181130767739. The reversal of 181130767725 is 527767031181.

181130767725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 181130767725 - 2³ = 181130767717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1207538377 + ... + 1207538526.

Almost surely, 2^181130767725 is an apocalyptic number.

181130767725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

181130767725 is a deficient number, since it is larger than the sum of its proper divisors (118338768371).

181130767725 is a wasteful number, since it uses less digits than its factorization.

181130767725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415076916 (or 2415076911 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 181130767725 in words is "one hundred eighty-one billion, one hundred thirty million, seven hundred sixty-seven thousand, seven hundred twenty-five".