126256662625 has 16 divisors (see below), whose sum is σ = 158274934272. Its totient is φ = 100552369200.

The previous prime is 126256662583. The next prime is 126256662641. The reversal of 126256662625 is 526266652621.

It is not a de Polignac number, because 126256662625 - 2¹¹ = 126256660577 is a prime.

It is a Duffinian number.

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, 2236819 + ... + 2292568.

It is an arithmetic number, because the mean of its divisors is an integer number (9892183392).

Almost surely, 2^126256662625 is an apocalyptic number.

It is an amenable number.

126256662625 is a deficient number, since it is larger than the sum of its proper divisors (32018271647).

126256662625 is an equidigital number, since it uses as much as digits as its factorization.

126256662625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529625 (or 4529615 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 126256662625 in words is "one hundred twenty-six billion, two hundred fifty-six million, six hundred sixty-two thousand, six hundred twenty-five".