125323456539961 has 4 divisors (see below), whose sum is σ = 125506946228112. Its totient is φ = 125139966851812.

The previous prime is 125323456539923. The next prime is 125323456539977. The reversal of 125323456539961 is 169935654323521.

It is a happy number.

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 125323456539961 - 2³¹ = 125321309056313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125323456539893 and 125323456539902.

It is not an unprimeable number, because it can be changed into a prime (125323456534961) 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, 91744843051 + ... + 91744844416.

It is an arithmetic number, because the mean of its divisors is an integer number (31376736557028).

Almost surely, 2^{125323456539961} is an apocalyptic number.

It is an amenable number.

125323456539961 is a deficient number, since it is larger than the sum of its proper divisors (183489688151).

125323456539961 is an equidigital number, since it uses as much as digits as its factorization.

125323456539961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183489688150.

The product of its digits is 157464000, while the sum is 64.

The spelling of 125323456539961 in words is "one hundred twenty-five trillion, three hundred twenty-three billion, four hundred fifty-six million, five hundred thirty-nine thousand, nine hundred sixty-one".