125497062805 has 32 divisors (see below), whose sum is σ = 166456166400. Its totient is φ = 90346493952.

The previous prime is 125497062751. The next prime is 125497062809. The reversal of 125497062805 is 508260794521.

It is a cyclic number.

It is not a de Polignac number, because 125497062805 - 2¹¹ = 125497060757 is a prime.

It is a super-2 number, since 2×125497062805² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125497062809) 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 31 ways as a sum of consecutive naturals, for example, 5303841 + ... + 5327449.

It is an arithmetic number, because the mean of its divisors is an integer number (5201755200).

Almost surely, 2^125497062805 is an apocalyptic number.

It is an amenable number.

125497062805 is a deficient number, since it is larger than the sum of its proper divisors (40959103595).

125497062805 is a wasteful number, since it uses less digits than its factorization.

125497062805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26373.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 125497062805 in words is "one hundred twenty-five billion, four hundred ninety-seven million, sixty-two thousand, eight hundred five".