12555410545 has 16 divisors (see below), whose sum is σ = 15772154112. Its totient is φ = 9576698560.

The previous prime is 12555410531. The next prime is 12555410557. The reversal of 12555410545 is 54501455521.

It is not a de Polignac number, because 12555410545 - 2²¹ = 12553313393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139762 + ... + 211291.

It is an arithmetic number, because the mean of its divisors is an integer number (985759632).

Almost surely, 2^12555410545 is an apocalyptic number.

It is an amenable number.

12555410545 is a deficient number, since it is larger than the sum of its proper divisors (3216743567).

12555410545 is a wasteful number, since it uses less digits than its factorization.

12555410545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351392.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 12555410545 in words is "twelve billion, five hundred fifty-five million, four hundred ten thousand, five hundred forty-five".