125608511 has 12 divisors (see below), whose sum is σ = 146820600. Its totient is φ = 107145360.

The previous prime is 125608507. The next prime is 125608519. The reversal of 125608511 is 115806521.

It is not a de Polignac number, because 125608511 - 2² = 125608507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125608519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4265 + ... + 16413.

It is an arithmetic number, because the mean of its divisors is an integer number (12235050).

Almost surely, 2^125608511 is an apocalyptic number.

125608511 is a deficient number, since it is larger than the sum of its proper divisors (21212089).

125608511 is a wasteful number, since it uses less digits than its factorization.

125608511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12374 (or 12367 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 125608511 is about 11207.5202877354. The cubic root of 125608511 is about 500.8100349780.

The spelling of 125608511 in words is "one hundred twenty-five million, six hundred eight thousand, five hundred eleven".