125646010630261 has 8 divisors (see below), whose sum is σ = 137068456853664. Its totient is φ = 114223578010320.

The previous prime is 125646010630241. The next prime is 125646010630303. The reversal of 125646010630261 is 162036010646521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125646010630261 - 2²⁹ = 125645473759349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125646010630201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31352911 + ... + 35132563.

It is an arithmetic number, because the mean of its divisors is an integer number (17133557106708).

Almost surely, 2^{125646010630261} is an apocalyptic number.

125646010630261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125646010630261 is a deficient number, since it is larger than the sum of its proper divisors (11422446223403).

125646010630261 is a wasteful number, since it uses less digits than its factorization.

125646010630261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801731.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 125646010630261 in words is "one hundred twenty-five trillion, six hundred forty-six billion, ten million, six hundred thirty thousand, two hundred sixty-one".