125215326601 has 4 divisors (see below), whose sum is σ = 125218454400. Its totient is φ = 125212198804.

The previous prime is 125215326581. The next prime is 125215326623. The reversal of 125215326601 is 106623512521.

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 125215326601 - 2⁵ = 125215326569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125215326001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503061 + ... + 1584178.

It is an arithmetic number, because the mean of its divisors is an integer number (31304613600).

Almost surely, 2^125215326601 is an apocalyptic number.

It is an amenable number.

125215326601 is a deficient number, since it is larger than the sum of its proper divisors (3127799).

125215326601 is an equidigital number, since it uses as much as digits as its factorization.

125215326601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127798.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 125215326601 in words is "one hundred twenty-five billion, two hundred fifteen million, three hundred twenty-six thousand, six hundred one".