126280325533 has 2 divisors, whose sum is σ = 126280325534. Its totient is φ = 126280325532.

The previous prime is 126280325519. The next prime is 126280325569. The reversal of 126280325533 is 335523082621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86504809689 + 39775515844 = 294117^2 + 199438^2 .

It is an emirp because it is prime and its reverse (335523082621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126280325533 - 2²¹ = 126278228381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126280322533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63140162766 + 63140162767.

It is an arithmetic number, because the mean of its divisors is an integer number (63140162767).

Almost surely, 2^126280325533 is an apocalyptic number.

It is an amenable number.

126280325533 is a deficient number, since it is larger than the sum of its proper divisors (1).

126280325533 is an equidigital number, since it uses as much as digits as its factorization.

126280325533 is an evil number, because the sum of its binary digits is even.

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

The spelling of 126280325533 in words is "one hundred twenty-six billion, two hundred eighty million, three hundred twenty-five thousand, five hundred thirty-three".