126188865055 has 32 divisors (see below), whose sum is σ = 175147557120. Its totient is φ = 86257912320.

The previous prime is 126188865013. The next prime is 126188865071. The reversal of 126188865055 is 550568881621.

It is not a de Polignac number, because 126188865055 - 2⁷ = 126188864927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 126188864987 and 126188865005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599652 + ... + 782278.

It is an arithmetic number, because the mean of its divisors is an integer number (5473361160).

Almost surely, 2^126188865055 is an apocalyptic number.

126188865055 is a deficient number, since it is larger than the sum of its proper divisors (48958692065).

126188865055 is a wasteful number, since it uses less digits than its factorization.

126188865055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183399.

The product of its (nonzero) digits is 4608000, while the sum is 55.

The spelling of 126188865055 in words is "one hundred twenty-six billion, one hundred eighty-eight million, eight hundred sixty-five thousand, fifty-five".