126654665500 has 48 divisors (see below), whose sum is σ = 301760510688. Its totient is φ = 46056240000.

The previous prime is 126654665477. The next prime is 126654665539. The reversal of 126654665500 is 5566456621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11508561 + ... + 11519560.

It is an arithmetic number, because the mean of its divisors is an integer number (6286677306).

Almost surely, 2^126654665500 is an apocalyptic number.

126654665500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126654665500 is an abundant number, since it is smaller than the sum of its proper divisors (175105845188).

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

126654665500 is a wasteful number, since it uses less digits than its factorization.

126654665500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23028151 (or 23028139 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 126654665500 in words is "one hundred twenty-six billion, six hundred fifty-four million, six hundred sixty-five thousand, five hundred".