16515054243042 has 64 divisors (see below), whose sum is σ = 34731068682240. Its totient is φ = 5225240363904.

The previous prime is 16515054243013. The next prime is 16515054243053. The reversal of 16515054243042 is 24034245051561.

It is a junction number, because it is equal to n+sod(n) for n = 16515054242985 and 16515054243003.

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, 39363798 + ... + 39781134.

It is an arithmetic number, because the mean of its divisors is an integer number (542672948160).

Almost surely, 2^{16515054243042} is an apocalyptic number.

16515054243042 is an abundant number, since it is smaller than the sum of its proper divisors (18216014439198).

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

16515054243042 is a wasteful number, since it uses less digits than its factorization.

16515054243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419567.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 16515054243042 in words is "sixteen trillion, five hundred fifteen billion, fifty-four million, two hundred forty-three thousand, forty-two".