125166152501 has 8 divisors (see below), whose sum is σ = 142723395864. Its totient is φ = 108741634560.

The previous prime is 125166152497. The next prime is 125166152509. The reversal of 125166152501 is 105251661521.

It can be written as a sum of positive squares in 4 ways, for example, as 42538650001 + 82627502500 = 206249^2 + 287450^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125166152501 - 2² = 125166152497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125166152509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283181120 + ... + 283181561.

It is an arithmetic number, because the mean of its divisors is an integer number (17840424483).

Almost surely, 2^125166152501 is an apocalyptic number.

It is an amenable number.

125166152501 is a deficient number, since it is larger than the sum of its proper divisors (17557243363).

125166152501 is a wasteful number, since it uses less digits than its factorization.

125166152501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566362711.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 125166152501 in words is "one hundred twenty-five billion, one hundred sixty-six million, one hundred fifty-two thousand, five hundred one".