125071488616 has 8 divisors (see below), whose sum is σ = 234509041170. Its totient is φ = 62535744304.

The previous prime is 125071488589. The next prime is 125071488643. The reversal of 125071488616 is 616884170521.

It is an interprime number because it is at equal distance from previous prime (125071488589) and next prime (125071488643).

It can be written as a sum of positive squares in only one way, i.e., 115025435716 + 10046052900 = 339154^2 + 100230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 125071488616.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7816968031 + ... + 7816968046.

Almost surely, 2^125071488616 is an apocalyptic number.

It is an amenable number.

125071488616 is a deficient number, since it is larger than the sum of its proper divisors (109437552554).

125071488616 is a wasteful number, since it uses less digits than its factorization.

125071488616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633936083 (or 15633936079 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 125071488616 in words is "one hundred twenty-five billion, seventy-one million, four hundred eighty-eight thousand, six hundred sixteen".