12551145155 has 8 divisors (see below), whose sum is σ = 15062581152. Its totient is φ = 10040111488.

The previous prime is 12551145133. The next prime is 12551145197. The reversal of 12551145155 is 55154115521.

12551145155 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 not a de Polignac number, because 12551145155 - 2⁸ = 12551144899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 27062 + ... + 160731.

It is an arithmetic number, because the mean of its divisors is an integer number (1882822644).

Almost surely, 2^12551145155 is an apocalyptic number.

12551145155 is a deficient number, since it is larger than the sum of its proper divisors (2511435997).

12551145155 is a wasteful number, since it uses less digits than its factorization.

12551145155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201165.

The product of its digits is 25000, while the sum is 35.

The spelling of 12551145155 in words is "twelve billion, five hundred fifty-one million, one hundred forty-five thousand, one hundred fifty-five".