125738168647 has 16 divisors (see below), whose sum is σ = 154811272000. Its totient is φ = 99448756992.

The previous prime is 125738168639. The next prime is 125738168653. The reversal of 125738168647 is 746861837521.

It is not a de Polignac number, because 125738168647 - 2³ = 125738168639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125738168591 and 125738168600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125738168617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158 + ... + 501475.

It is an arithmetic number, because the mean of its divisors is an integer number (9675704500).

Almost surely, 2^125738168647 is an apocalyptic number.

125738168647 is a deficient number, since it is larger than the sum of its proper divisors (29073103353).

125738168647 is a wasteful number, since it uses less digits than its factorization.

125738168647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505402.

The product of its digits is 13547520, while the sum is 58.

The spelling of 125738168647 in words is "one hundred twenty-five billion, seven hundred thirty-eight million, one hundred sixty-eight thousand, six hundred forty-seven".