4125911562756 has 81 divisors (see below), whose sum is σ = 10678928412789. Its totient is φ = 1343149420032.

The previous prime is 4125911562743. The next prime is 4125911562757. The reversal of 4125911562756 is 6572651195214.

The square root of 4125911562756 is 2031234.

It is a perfect power (a square), and thus also a powerful number.

4125911562756 is a `hidden beast` number, since 4 + 1 + 2 + 5 + 9 + 1 + 1 + 5 + 627 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125847562500 + 4000064000256 = 354750^2 + 2000016^2 .

It is not an unprimeable number, because it can be changed into a prime (4125911562757) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 524054436 + ... + 524062308.

Almost surely, 2^{4125911562756} is an apocalyptic number.

4125911562756 is the 2031234-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4125911562756

4125911562756 is an abundant number, since it is smaller than the sum of its proper divisors (6553016850033).

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

4125911562756 is an frugal number, since it uses more digits than its factorization.

4125911562756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15842 (or 7921 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The spelling of 4125911562756 in words is "four trillion, one hundred twenty-five billion, nine hundred eleven million, five hundred sixty-two thousand, seven hundred fifty-six".