125534866741 has 2 divisors, whose sum is σ = 125534866742. Its totient is φ = 125534866740.

The previous prime is 125534866727. The next prime is 125534866771. The reversal of 125534866741 is 147668435521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124853395716 + 681471025 = 353346^2 + 26105^2 .

It is a cyclic number.

It is not a de Polignac number, because 125534866741 - 2¹³ = 125534858549 is a prime.

It is a super-2 number, since 2×125534866741² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125534866711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62767433370 + 62767433371.

It is an arithmetic number, because the mean of its divisors is an integer number (62767433371).

Almost surely, 2^125534866741 is an apocalyptic number.

It is an amenable number.

125534866741 is a deficient number, since it is larger than the sum of its proper divisors (1).

125534866741 is an equidigital number, since it uses as much as digits as its factorization.

125534866741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 52.

The spelling of 125534866741 in words is "one hundred twenty-five billion, five hundred thirty-four million, eight hundred sixty-six thousand, seven hundred forty-one".