126503867801850 has 192 divisors, whose sum is σ = 393108939417600. Its totient is φ = 26154424454400.

The previous prime is 126503867801833. The next prime is 126503867801879. The reversal of 126503867801850 is 58108768305621.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25220937 + ... + 29817836.

It is an arithmetic number, because the mean of its divisors is an integer number (2047442392800).

Almost surely, 2^{126503867801850} is an apocalyptic number.

126503867801850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126503867801850 is an abundant number, since it is smaller than the sum of its proper divisors (266605071615750).

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

126503867801850 is a wasteful number, since it uses less digits than its factorization.

126503867801850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55039005 (or 55039000 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 126503867801850 in words is "one hundred twenty-six trillion, five hundred three billion, eight hundred sixty-seven million, eight hundred one thousand, eight hundred fifty".