51065303036442 has 64 divisors (see below), whose sum is σ = 110409582919680. Its totient is φ = 15711060383424.

The previous prime is 51065303036381. The next prime is 51065303036453. The reversal of 51065303036442 is 24463030356015.

It is a junction number, because it is equal to n+sod(n) for n = 51065303036394 and 51065303036403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72255658 + ... + 72958965.

It is an arithmetic number, because the mean of its divisors is an integer number (1725149733120).

Almost surely, 2^{51065303036442} is an apocalyptic number.

51065303036442 is an abundant number, since it is smaller than the sum of its proper divisors (59344279883238).

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

51065303036442 is a wasteful number, since it uses less digits than its factorization.

51065303036442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145214747.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 51065303036442 in words is "fifty-one trillion, sixty-five billion, three hundred three million, thirty-six thousand, four hundred forty-two".