115665106125 has 16 divisors (see below), whose sum is σ = 192466737216. Its totient is φ = 61688056400.

The previous prime is 115665106121. The next prime is 115665106147. The reversal of 115665106125 is 521601566511.

It is not a de Polignac number, because 115665106125 - 2² = 115665106121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115665106121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154219767 + ... + 154220516.

It is an arithmetic number, because the mean of its divisors is an integer number (12029171076).

Almost surely, 2^115665106125 is an apocalyptic number.

115665106125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115665106125 is a deficient number, since it is larger than the sum of its proper divisors (76801631091).

115665106125 is an equidigital number, since it uses as much as digits as its factorization.

115665106125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308440301 (or 308440291 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 115665106125 in words is "one hundred fifteen billion, six hundred sixty-five million, one hundred six thousand, one hundred twenty-five".