126596812545 has 64 divisors (see below), whose sum is σ = 257705379840. Its totient is φ = 57761947584.

The previous prime is 126596812499. The next prime is 126596812547. The reversal of 126596812545 is 545218695621.

126596812545 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 96 + 8 + 1 + 2 + 545 = 666.

It is not a de Polignac number, because 126596812545 - 2⁷ = 126596812417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126596812491 and 126596812500.

It is not an unprimeable number, because it can be changed into a prime (126596812547) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 366162 + ... + 622308.

It is an arithmetic number, because the mean of its divisors is an integer number (4026646560).

Almost surely, 2^126596812545 is an apocalyptic number.

126596812545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126596812545 is an abundant number, since it is smaller than the sum of its proper divisors (131108567295).

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

126596812545 is a wasteful number, since it uses less digits than its factorization.

126596812545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256691 (or 256685 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 126596812545 in words is "one hundred twenty-six billion, five hundred ninety-six million, eight hundred twelve thousand, five hundred forty-five".