125262706015061 has 4 divisors (see below), whose sum is σ = 125262846626892. Its totient is φ = 125262565403232.

The previous prime is 125262706015009. The next prime is 125262706015087. The reversal of 125262706015061 is 160510607262521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80813897019025 + 44448808996036 = 8989655^2 + 6666994^2 .

It is a cyclic number.

It is not a de Polignac number, because 125262706015061 - 2⁴² = 120864659503957 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 (125262706015001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68961080 + ... + 70754193.

It is an arithmetic number, because the mean of its divisors is an integer number (31315711656723).

Almost surely, 2^{125262706015061} is an apocalyptic number.

It is an amenable number.

125262706015061 is a deficient number, since it is larger than the sum of its proper divisors (140611831).

125262706015061 is an equidigital number, since it uses as much as digits as its factorization.

125262706015061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140611830.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 125262706015061 in words is "one hundred twenty-five trillion, two hundred sixty-two billion, seven hundred six million, fifteen thousand, sixty-one".