125429056615105 has 16 divisors (see below), whose sum is σ = 157059695854080. Its totient is φ = 95980065749568.

The previous prime is 125429056615103. The next prime is 125429056615117. The reversal of 125429056615105 is 501516650924521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125429056615105 - 2¹ = 125429056615103 is a prime.

It is a super-2 number, since 2×125429056615105² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125429056615103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24656056 + ... + 29304934.

It is an arithmetic number, because the mean of its divisors is an integer number (9816230990880).

Almost surely, 2^{125429056615105} is an apocalyptic number.

It is an amenable number.

125429056615105 is a deficient number, since it is larger than the sum of its proper divisors (31630639238975).

125429056615105 is a wasteful number, since it uses less digits than its factorization.

125429056615105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883520.

The product of its (nonzero) digits is 3240000, while the sum is 52.

The spelling of 125429056615105 in words is "one hundred twenty-five trillion, four hundred twenty-nine billion, fifty-six million, six hundred fifteen thousand, one hundred five".