51601025726 has 16 divisors (see below), whose sum is σ = 77878444896. Its totient is φ = 25641597696.

The previous prime is 51601025681. The next prime is 51601025743. The reversal of 51601025726 is 62752010615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2842310 + ... + 2860406.

It is an arithmetic number, because the mean of its divisors is an integer number (4867402806).

Almost surely, 2^51601025726 is an apocalyptic number.

51601025726 is a deficient number, since it is larger than the sum of its proper divisors (26277419170).

51601025726 is a wasteful number, since it uses less digits than its factorization.

51601025726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26803.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 51601025726 in words is "fifty-one billion, six hundred one million, twenty-five thousand, seven hundred twenty-six".