126065517521633 has 4 divisors (see below), whose sum is σ = 126066935367360. Its totient is φ = 126064099675908.

The previous prime is 126065517521617. The next prime is 126065517521653. The reversal of 126065517521633 is 336125715560621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126065517521633 - 2⁴ = 126065517521617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126065517521653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708789485 + ... + 708967322.

It is an arithmetic number, because the mean of its divisors is an integer number (31516733841840).

Almost surely, 2^{126065517521633} is an apocalyptic number.

It is an amenable number.

126065517521633 is a deficient number, since it is larger than the sum of its proper divisors (1417845727).

126065517521633 is an equidigital number, since it uses as much as digits as its factorization.

126065517521633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417845726.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 126065517521633 in words is "one hundred twenty-six trillion, sixty-five billion, five hundred seventeen million, five hundred twenty-one thousand, six hundred thirty-three".