125963382541 has 2 divisors, whose sum is σ = 125963382542. Its totient is φ = 125963382540.

The previous prime is 125963382539. The next prime is 125963382557. The reversal of 125963382541 is 145283369521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99448145316 + 26515237225 = 315354^2 + 162835^2 .

It is a cyclic number.

It is not a de Polignac number, because 125963382541 - 2¹ = 125963382539 is a prime.

Together with 125963382539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125963382511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62981691270 + 62981691271.

It is an arithmetic number, because the mean of its divisors is an integer number (62981691271).

Almost surely, 2^125963382541 is an apocalyptic number.

It is an amenable number.

125963382541 is a deficient number, since it is larger than the sum of its proper divisors (1).

125963382541 is an equidigital number, since it uses as much as digits as its factorization.

125963382541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 49.

The spelling of 125963382541 in words is "one hundred twenty-five billion, nine hundred sixty-three million, three hundred eighty-two thousand, five hundred forty-one".