125556798061 has 8 divisors (see below), whose sum is σ = 125634641184. Its totient is φ = 125478986160.

The previous prime is 125556798053. The next prime is 125556798067. The reversal of 125556798061 is 160897655521.

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 125556798061 - 2³ = 125556798053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125556797993 and 125556798011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125556798067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17123166 + ... + 17130496.

It is an arithmetic number, because the mean of its divisors is an integer number (15704330148).

Almost surely, 2^125556798061 is an apocalyptic number.

It is an amenable number.

125556798061 is a deficient number, since it is larger than the sum of its proper divisors (77843123).

125556798061 is an equidigital number, since it uses as much as digits as its factorization.

125556798061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15611.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 125556798061 in words is "one hundred twenty-five billion, five hundred fifty-six million, seven hundred ninety-eight thousand, sixty-one".