12525530155 has 8 divisors (see below), whose sum is σ = 15038152272. Its totient is φ = 10015413408.

The previous prime is 12525530119. The next prime is 12525530159. The reversal of 12525530155 is 55103552521.

12525530155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12525530155 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12525530155.

It is not an unprimeable number, because it can be changed into a prime (12525530159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615324 + ... + 635353.

It is an arithmetic number, because the mean of its divisors is an integer number (1879769034).

Almost surely, 2^12525530155 is an apocalyptic number.

12525530155 is a deficient number, since it is larger than the sum of its proper divisors (2512622117).

12525530155 is a wasteful number, since it uses less digits than its factorization.

12525530155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252685.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 12525530155 in words is "twelve billion, five hundred twenty-five million, five hundred thirty thousand, one hundred fifty-five".