12554425445 has 32 divisors (see below), whose sum is σ = 15575224320. Its totient is φ = 9709657920.

The previous prime is 12554425439. The next prime is 12554425483. The reversal of 12554425445 is 54452445521.

12554425445 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 12554425445 - 2²⁶ = 12487316581 is a prime.

It is a super-2 number, since 2×12554425445² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 6855680 + ... + 6857510.

It is an arithmetic number, because the mean of its divisors is an integer number (486725760).

Almost surely, 2^12554425445 is an apocalyptic number.

It is an amenable number.

12554425445 is a deficient number, since it is larger than the sum of its proper divisors (3020798875).

12554425445 is a wasteful number, since it uses less digits than its factorization.

12554425445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its digits is 640000, while the sum is 41.

The spelling of 12554425445 in words is "twelve billion, five hundred fifty-four million, four hundred twenty-five thousand, four hundred forty-five".