555125561725261 has 8 divisors (see below), whose sum is σ = 555585303692160. Its totient is φ = 554665829298672.

The previous prime is 555125561725181. The next prime is 555125561725391. The reversal of 555125561725261 is 162527165521555.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555125561725261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 555125561725196 and 555125561725205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555125561725561) 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, 116489571 + ... + 121161343.

It is an arithmetic number, because the mean of its divisors is an integer number (69448162961520).

Almost surely, 2^{555125561725261} is an apocalyptic number.

It is an amenable number.

555125561725261 is a deficient number, since it is larger than the sum of its proper divisors (459741966899).

555125561725261 is a wasteful number, since it uses less digits than its factorization.

555125561725261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770155.

The product of its digits is 31500000, while the sum is 58.

The spelling of 555125561725261 in words is "five hundred fifty-five trillion, one hundred twenty-five billion, five hundred sixty-one million, seven hundred twenty-five thousand, two hundred sixty-one".