12425240133155 has 4 divisors (see below), whose sum is σ = 14910288159792. Its totient is φ = 9940192106520.

The previous prime is 12425240133151. The next prime is 12425240133179. The reversal of 12425240133155 is 55133104252421.

12425240133155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12425240133155 - 2² = 12425240133151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12425240133151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242524013311 + ... + 1242524013320.

It is an arithmetic number, because the mean of its divisors is an integer number (3727572039948).

Almost surely, 2^{12425240133155} is an apocalyptic number.

12425240133155 is a deficient number, since it is larger than the sum of its proper divisors (2485048026637).

12425240133155 is an equidigital number, since it uses as much as digits as its factorization.

12425240133155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485048026636.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 12425240133155 its reverse (55133104252421), we get a palindrome (67558344385576).

The spelling of 12425240133155 in words is "twelve trillion, four hundred twenty-five billion, two hundred forty million, one hundred thirty-three thousand, one hundred fifty-five".