12601325505 has 16 divisors (see below), whose sum is σ = 20707043904. Its totient is φ = 6539065920.

The previous prime is 12601325467. The next prime is 12601325533. The reversal of 12601325505 is 50552310621.

It is a happy number.

It is not a de Polignac number, because 12601325505 - 2⁸ = 12601325249 is a prime.

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, 11351991 + ... + 11353100.

It is an arithmetic number, because the mean of its divisors is an integer number (1294190244).

Almost surely, 2^12601325505 is an apocalyptic number.

12601325505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12601325505 is a deficient number, since it is larger than the sum of its proper divisors (8105718399).

12601325505 is a wasteful number, since it uses less digits than its factorization.

12601325505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22705136.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 12601325505 in words is "twelve billion, six hundred one million, three hundred twenty-five thousand, five hundred five".