8125701585772 has 6 divisors (see below), whose sum is σ = 14219977775108. Its totient is φ = 4062850792884.

The previous prime is 8125701585719. The next prime is 8125701585773. The reversal of 8125701585772 is 2775851075218.

It is a super-2 number, since 2×8125701585772² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8125701585773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015712698218 + ... + 1015712698225.

Almost surely, 2^{8125701585772} is an apocalyptic number.

It is an amenable number.

8125701585772 is a deficient number, since it is larger than the sum of its proper divisors (6094276189336).

8125701585772 is a wasteful number, since it uses less digits than its factorization.

8125701585772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031425396447 (or 2031425396445 counting only the distinct ones).

The product of its (nonzero) digits is 10976000, while the sum is 58.

The spelling of 8125701585772 in words is "eight trillion, one hundred twenty-five billion, seven hundred one million, five hundred eighty-five thousand, seven hundred seventy-two".