125853052065 has 64 divisors (see below), whose sum is σ = 219813893376. Its totient is φ = 61117120512.

The previous prime is 125853052057. The next prime is 125853052081. The reversal of 125853052065 is 560250358521.

It is not a de Polignac number, because 125853052065 - 2³ = 125853052057 is a prime.

It is a super-3 number, since 3×125853052065³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 5796069 + ... + 5817741.

It is an arithmetic number, because the mean of its divisors is an integer number (3434592084).

Almost surely, 2^125853052065 is an apocalyptic number.

125853052065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125853052065 is a deficient number, since it is larger than the sum of its proper divisors (93960841311).

125853052065 is a wasteful number, since it uses less digits than its factorization.

125853052065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22098.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 125853052065 in words is "one hundred twenty-five billion, eight hundred fifty-three million, fifty-two thousand, sixty-five".