12557485226 has 32 divisors (see below), whose sum is σ = 22200587136. Its totient is φ = 5251896000.

The previous prime is 12557485201. The next prime is 12557485231. The reversal of 12557485226 is 62258475521.

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, 18356 + ... + 159536.

It is an arithmetic number, because the mean of its divisors is an integer number (693768348).

Almost surely, 2^12557485226 is an apocalyptic number.

12557485226 is a deficient number, since it is larger than the sum of its proper divisors (9643101910).

12557485226 is a wasteful number, since it uses less digits than its factorization.

12557485226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141518.

The product of its digits is 1344000, while the sum is 47.

The spelling of 12557485226 in words is "twelve billion, five hundred fifty-seven million, four hundred eighty-five thousand, two hundred twenty-six".