125135001105 has 32 divisors (see below), whose sum is σ = 200585134080. Its totient is φ = 66615752640.

The previous prime is 125135001067. The next prime is 125135001139. The reversal of 125135001105 is 501100531521.

It is not a de Polignac number, because 125135001105 - 2⁶ = 125135001041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22251324 + ... + 22256946.

It is an arithmetic number, because the mean of its divisors is an integer number (6268285440).

Almost surely, 2^125135001105 is an apocalyptic number.

125135001105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125135001105 is a deficient number, since it is larger than the sum of its proper divisors (75450132975).

125135001105 is a wasteful number, since it uses less digits than its factorization.

125135001105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 125135001105 its reverse (501100531521), we get a palindrome (626235532626).

The spelling of 125135001105 in words is "one hundred twenty-five billion, one hundred thirty-five million, one thousand, one hundred five".