126645270500 has 48 divisors (see below), whose sum is σ = 316106603904. Its totient is φ = 43421234400.

The previous prime is 126645270473. The next prime is 126645270509. The reversal of 126645270500 is 5072546621.

It is not an unprimeable number, because it can be changed into a prime (126645270509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18088682 + ... + 18095681.

It is an arithmetic number, because the mean of its divisors is an integer number (6585554248).

Almost surely, 2^126645270500 is an apocalyptic number.

126645270500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126645270500 is an abundant number, since it is smaller than the sum of its proper divisors (189461333404).

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

126645270500 is a wasteful number, since it uses less digits than its factorization.

126645270500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36184389 (or 36184377 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 126645270500 in words is "one hundred twenty-six billion, six hundred forty-five million, two hundred seventy thousand, five hundred".