126291348528 has 20 divisors (see below), whose sum is σ = 326252650488. Its totient is φ = 42097116160.

The previous prime is 126291348503. The next prime is 126291348551. The reversal of 126291348528 is 825843192621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315534833 + ... + 1315534928.

Almost surely, 2^126291348528 is an apocalyptic number.

It is an amenable number.

126291348528 is an abundant number, since it is smaller than the sum of its proper divisors (199961301960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126291348528 is a wasteful number, since it uses less digits than its factorization.

126291348528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631069772 (or 2631069766 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 126291348528 in words is "one hundred twenty-six billion, two hundred ninety-one million, three hundred forty-eight thousand, five hundred twenty-eight".