126275663025525 has 96 divisors (see below), whose sum is σ = 231475617167872. Its totient is φ = 60348224966400.

The previous prime is 126275663025503. The next prime is 126275663025587. The reversal of 126275663025525 is 525520366572621.

It is not a de Polignac number, because 126275663025525 - 2⁹ = 126275663025013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2405311 + ... + 16072860.

Almost surely, 2^{126275663025525} is an apocalyptic number.

126275663025525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126275663025525 is a deficient number, since it is larger than the sum of its proper divisors (105199954142347).

126275663025525 is a wasteful number, since it uses less digits than its factorization.

126275663025525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18478403 (or 18478398 counting only the distinct ones).

The product of its (nonzero) digits is 45360000, while the sum is 57.

The spelling of 126275663025525 in words is "one hundred twenty-six trillion, two hundred seventy-five billion, six hundred sixty-three million, twenty-five thousand, five hundred twenty-five".