126426853605 has 64 divisors (see below), whose sum is σ = 221111976960. Its totient is φ = 61312204800.

The previous prime is 126426853571. The next prime is 126426853627. The reversal of 126426853605 is 506358624621.

It is not a de Polignac number, because 126426853605 - 2⁷ = 126426853477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4689765 + ... + 4716645.

It is an arithmetic number, because the mean of its divisors is an integer number (3454874640).

Almost surely, 2^126426853605 is an apocalyptic number.

126426853605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126426853605 is a deficient number, since it is larger than the sum of its proper divisors (94685123355).

126426853605 is a wasteful number, since it uses less digits than its factorization.

126426853605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27262.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 126426853605 in words is "one hundred twenty-six billion, four hundred twenty-six million, eight hundred fifty-three thousand, six hundred five".