126361536532 has 72 divisors (see below), whose sum is σ = 280703586240. Its totient is φ = 49217293440.

The previous prime is 126361536529. The next prime is 126361536601. The reversal of 126361536532 is 235635163621.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 10047144 + ... + 10059712.

It is an arithmetic number, because the mean of its divisors is an integer number (3898660920).

Almost surely, 2^126361536532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126361536532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140351793120).

126361536532 is an abundant number, since it is smaller than the sum of its proper divisors (154342049708).

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

126361536532 is a wasteful number, since it uses less digits than its factorization.

126361536532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17261 (or 17252 counting only the distinct ones).

The product of its digits is 583200, while the sum is 43.

The spelling of 126361536532 in words is "one hundred twenty-six billion, three hundred sixty-one million, five hundred thirty-six thousand, five hundred thirty-two".