125065262555 has 32 divisors (see below), whose sum is σ = 154545247296. Its totient is φ = 97117855744.

The previous prime is 125065262549. The next prime is 125065262557. The reversal of 125065262555 is 555262560521.

It is a cyclic number.

It is not a de Polignac number, because 125065262555 - 2²⁰ = 125064213979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125065262557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17753864 + ... + 17760906.

It is an arithmetic number, because the mean of its divisors is an integer number (4829538978).

Almost surely, 2^125065262555 is an apocalyptic number.

125065262555 is a deficient number, since it is larger than the sum of its proper divisors (29479984741).

125065262555 is a wasteful number, since it uses less digits than its factorization.

125065262555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7807.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 125065262555 in words is "one hundred twenty-five billion, sixty-five million, two hundred sixty-two thousand, five hundred fifty-five".