125526436213 has 2 divisors, whose sum is σ = 125526436214. Its totient is φ = 125526436212.

The previous prime is 125526436207. The next prime is 125526436271. The reversal of 125526436213 is 312634625521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117061148164 + 8465288049 = 342142^2 + 92007^2 .

It is a cyclic number.

It is not a de Polignac number, because 125526436213 - 2⁹ = 125526435701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125526436313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62763218106 + 62763218107.

It is an arithmetic number, because the mean of its divisors is an integer number (62763218107).

Almost surely, 2^125526436213 is an apocalyptic number.

It is an amenable number.

125526436213 is a deficient number, since it is larger than the sum of its proper divisors (1).

125526436213 is an equidigital number, since it uses as much as digits as its factorization.

125526436213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The spelling of 125526436213 in words is "one hundred twenty-five billion, five hundred twenty-six million, four hundred thirty-six thousand, two hundred thirteen".