125030645155 has 16 divisors (see below), whose sum is σ = 161641617984. Its totient is φ = 92294006400.

The previous prime is 125030645147. The next prime is 125030645227. The reversal of 125030645155 is 551546030521.

It is a happy number.

It is not a de Polignac number, because 125030645155 - 2³ = 125030645147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211204 + ... + 542833.

It is an arithmetic number, because the mean of its divisors is an integer number (10102601124).

Almost surely, 2^125030645155 is an apocalyptic number.

125030645155 is a deficient number, since it is larger than the sum of its proper divisors (36610972829).

125030645155 is a wasteful number, since it uses less digits than its factorization.

125030645155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756606.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 125030645155 its reverse (551546030521), we get a palindrome (676576675676).

The spelling of 125030645155 in words is "one hundred twenty-five billion, thirty million, six hundred forty-five thousand, one hundred fifty-five".