51242316436156 has 24 divisors (see below), whose sum is σ = 93592713503520. Its totient is φ = 24502012288512.

The previous prime is 51242316436141. The next prime is 51242316436193. The reversal of 51242316436156 is 65163461324215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58454941 + ... + 59325076.

It is an arithmetic number, because the mean of its divisors is an integer number (3899696395980).

Almost surely, 2^{51242316436156} is an apocalyptic number.

It is an amenable number.

51242316436156 is a deficient number, since it is larger than the sum of its proper divisors (42350397067364).

51242316436156 is a wasteful number, since it uses less digits than its factorization.

51242316436156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117784773 (or 117784771 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 51242316436156 in words is "fifty-one trillion, two hundred forty-two billion, three hundred sixteen million, four hundred thirty-six thousand, one hundred fifty-six".