12526891426 has 32 divisors (see below), whose sum is σ = 21905831808. Its totient is φ = 5261118720.

The previous prime is 12526891411. The next prime is 12526891519. The reversal of 12526891426 is 62419862521.

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, 644121 + ... + 663283.

It is an arithmetic number, because the mean of its divisors is an integer number (684557244).

Almost surely, 2^12526891426 is an apocalyptic number.

12526891426 is a deficient number, since it is larger than the sum of its proper divisors (9378940382).

12526891426 is a wasteful number, since it uses less digits than its factorization.

12526891426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106.

The product of its digits is 414720, while the sum is 46.

The spelling of 12526891426 in words is "twelve billion, five hundred twenty-six million, eight hundred ninety-one thousand, four hundred twenty-six".