125222666049536 has 192 divisors, whose sum is σ = 279463230708480. Its totient is φ = 55615426560000.

The previous prime is 125222666049499. The next prime is 125222666049577. The reversal of 125222666049536 is 635940666222521.

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 15 ways as a sum of consecutive naturals, for example, 207203675 + ... + 207807141.

It is an arithmetic number, because the mean of its divisors is an integer number (1455537659940).

Almost surely, 2^{125222666049536} is an apocalyptic number.

125222666049536 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 125222666049536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139731615354240).

125222666049536 is an abundant number, since it is smaller than the sum of its proper divisors (154240564658944).

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

125222666049536 is a wasteful number, since it uses less digits than its factorization.

125222666049536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603712 (or 603692 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 59.

The spelling of 125222666049536 in words is "one hundred twenty-five trillion, two hundred twenty-two billion, six hundred sixty-six million, forty-nine thousand, five hundred thirty-six".