125116017020 has 24 divisors (see below), whose sum is σ = 262841531904. Its totient is φ = 50027759936.

The previous prime is 125116017017. The next prime is 125116017031. The reversal of 125116017020 is 20710611521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110347 + ... + 1217826.

It is an arithmetic number, because the mean of its divisors is an integer number (10951730496).

Almost surely, 2^125116017020 is an apocalyptic number.

125116017020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125116017020 is an abundant number, since it is smaller than the sum of its proper divisors (137725514884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125116017020 is a wasteful number, since it uses less digits than its factorization.

125116017020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330869 (or 2330867 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 125116017020 its reverse (20710611521), we get a palindrome (145826628541).

The spelling of 125116017020 in words is "one hundred twenty-five billion, one hundred sixteen million, seventeen thousand, twenty".