125541953759 has 2 divisors, whose sum is σ = 125541953760. Its totient is φ = 125541953758.

The previous prime is 125541953707. The next prime is 125541953783. The reversal of 125541953759 is 957359145521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125541953759 - 2¹⁶ = 125541888223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125541959759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62770976879 + 62770976880.

It is an arithmetic number, because the mean of its divisors is an integer number (62770976880).

Almost surely, 2^125541953759 is an apocalyptic number.

125541953759 is a deficient number, since it is larger than the sum of its proper divisors (1).

125541953759 is an equidigital number, since it uses as much as digits as its factorization.

125541953759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505000, while the sum is 56.

The spelling of 125541953759 in words is "one hundred twenty-five billion, five hundred forty-one million, nine hundred fifty-three thousand, seven hundred fifty-nine".