124865853216 has 96 divisors (see below), whose sum is σ = 353577571200. Its totient is φ = 38355892224.

The previous prime is 124865853191. The next prime is 124865853223. The reversal of 124865853216 is 612358568421.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 664036 + ... + 831068.

It is an arithmetic number, because the mean of its divisors is an integer number (3683099700).

Almost surely, 2^124865853216 is an apocalyptic number.

124865853216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124865853216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176788785600).

124865853216 is an abundant number, since it is smaller than the sum of its proper divisors (228711717984).

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

124865853216 is a wasteful number, since it uses less digits than its factorization.

124865853216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167658 (or 167650 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The spelling of 124865853216 in words is "one hundred twenty-four billion, eight hundred sixty-five million, eight hundred fifty-three thousand, two hundred sixteen".