56511161726 has 8 divisors (see below), whose sum is σ = 84822404904. Its totient is φ = 28237026760.

The previous prime is 56511161717. The next prime is 56511161741. The reversal of 56511161726 is 62716111565.

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

It is a super-2 number, since 2×56511161726² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9273245 + ... + 9279336.

It is an arithmetic number, because the mean of its divisors is an integer number (10602800613).

Almost surely, 2^56511161726 is an apocalyptic number.

56511161726 is a deficient number, since it is larger than the sum of its proper divisors (28311243178).

56511161726 is a wasteful number, since it uses less digits than its factorization.

56511161726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18554106.

The product of its digits is 75600, while the sum is 41.

The spelling of 56511161726 in words is "fifty-six billion, five hundred eleven million, one hundred sixty-one thousand, seven hundred twenty-six".