125549165086 has 16 divisors (see below), whose sum is σ = 203593242960. Its totient is φ = 57863341440.

The previous prime is 125549165083. The next prime is 125549165087. The reversal of 125549165086 is 680561945521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125549165083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44646235 + ... + 44649046.

It is an arithmetic number, because the mean of its divisors is an integer number (12724577685).

Almost surely, 2^125549165086 is an apocalyptic number.

125549165086 is a deficient number, since it is larger than the sum of its proper divisors (78044077874).

125549165086 is a wasteful number, since it uses less digits than its factorization.

125549165086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89295339.

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 125549165086 in words is "one hundred twenty-five billion, five hundred forty-nine million, one hundred sixty-five thousand, eighty-six".