125754939245377 has 4 divisors (see below), whose sum is σ = 135428396110420. Its totient is φ = 116081482380336.

The previous prime is 125754939245357. The next prime is 125754939245459. The reversal of 125754939245377 is 773542939457521.

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 45825331452481 + 79929607792896 = 6769441^2 + 8940336^2 .

It is a cyclic number.

It is not a de Polignac number, because 125754939245377 - 2⁷ = 125754939245249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125754939245357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4836728432502 + ... + 4836728432527.

It is an arithmetic number, because the mean of its divisors is an integer number (33857099027605).

Almost surely, 2^{125754939245377} is an apocalyptic number.

It is an amenable number.

125754939245377 is a deficient number, since it is larger than the sum of its proper divisors (9673456865043).

125754939245377 is an equidigital number, since it uses as much as digits as its factorization.

125754939245377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673456865042.

The product of its digits is 2000376000, while the sum is 73.

The spelling of 125754939245377 in words is "one hundred twenty-five trillion, seven hundred fifty-four billion, nine hundred thirty-nine million, two hundred forty-five thousand, three hundred seventy-seven".