12522501505 has 4 divisors (see below), whose sum is σ = 15027001812. Its totient is φ = 10018001200.

The previous prime is 12522501499. The next prime is 12522501533. The reversal of 12522501505 is 50510522521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7118634384 + 5403867121 = 84372^2 + 73511^2 .

It is not a de Polignac number, because 12522501505 - 2⁷ = 12522501377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252250146 + ... + 1252250155.

It is an arithmetic number, because the mean of its divisors is an integer number (3756750453).

Almost surely, 2^12522501505 is an apocalyptic number.

It is an amenable number.

12522501505 is a deficient number, since it is larger than the sum of its proper divisors (2504500307).

12522501505 is an equidigital number, since it uses as much as digits as its factorization.

12522501505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504500306.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 12522501505 in words is "twelve billion, five hundred twenty-two million, five hundred one thousand, five hundred five".