125304654230661 has 16 divisors (see below), whose sum is σ = 167400100788800. Its totient is φ = 83372836757760.

The previous prime is 125304654230563. The next prime is 125304654230719. The reversal of 125304654230661 is 166032456403521.

It is not a de Polignac number, because 125304654230661 - 2¹⁸ = 125304653968517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125304654230661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125304654230461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32122791 + ... + 35811771.

It is an arithmetic number, because the mean of its divisors is an integer number (10462506299300).

Almost surely, 2^{125304654230661} is an apocalyptic number.

It is an amenable number.

125304654230661 is a deficient number, since it is larger than the sum of its proper divisors (42095446558139).

125304654230661 is a wasteful number, since it uses less digits than its factorization.

125304654230661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711156.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 125304654230661 in words is "one hundred twenty-five trillion, three hundred four billion, six hundred fifty-four million, two hundred thirty thousand, six hundred sixty-one".