51601210842 has 32 divisors (see below), whose sum is σ = 108354600000. Its totient is φ = 16359412608.

The previous prime is 51601210811. The next prime is 51601210847. The reversal of 51601210842 is 24801210615.

It is not an unprimeable number, because it can be changed into a prime (51601210847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2201467 + ... + 2224782.

It is an arithmetic number, because the mean of its divisors is an integer number (3386081250).

Almost surely, 2^51601210842 is an apocalyptic number.

51601210842 is an abundant number, since it is smaller than the sum of its proper divisors (56753389158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51601210842 is a wasteful number, since it uses less digits than its factorization.

51601210842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426350.

The product of its (nonzero) digits is 3840, while the sum is 30.

The spelling of 51601210842 in words is "fifty-one billion, six hundred one million, two hundred ten thousand, eight hundred forty-two".