126856552594 has 16 divisors (see below), whose sum is σ = 193265027136. Its totient is φ = 62436250800.

The previous prime is 126856552583. The next prime is 126856552609. The reversal of 126856552594 is 495255658621.

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 7 ways as a sum of consecutive naturals, for example, 157702 + ... + 527809.

It is an arithmetic number, because the mean of its divisors is an integer number (12079064196).

Almost surely, 2^126856552594 is an apocalyptic number.

126856552594 is a deficient number, since it is larger than the sum of its proper divisors (66408474542).

126856552594 is a wasteful number, since it uses less digits than its factorization.

126856552594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686961.

The product of its digits is 25920000, while the sum is 58.

The spelling of 126856552594 in words is "one hundred twenty-six billion, eight hundred fifty-six million, five hundred fifty-two thousand, five hundred ninety-four".