125796464641 has 4 divisors (see below), whose sum is σ = 125827894192. Its totient is φ = 125765035092.

The previous prime is 125796464639. The next prime is 125796464657. The reversal of 125796464641 is 146464697521.

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 125796464641 - 2¹ = 125796464639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125796764641) 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, 15708771 + ... + 15716776.

It is an arithmetic number, because the mean of its divisors is an integer number (31456973548).

Almost surely, 2^125796464641 is an apocalyptic number.

It is an amenable number.

125796464641 is a deficient number, since it is larger than the sum of its proper divisors (31429551).

125796464641 is an equidigital number, since it uses as much as digits as its factorization.

125796464641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31429550.

The product of its digits is 8709120, while the sum is 55.

The spelling of 125796464641 in words is "one hundred twenty-five billion, seven hundred ninety-six million, four hundred sixty-four thousand, six hundred forty-one".