16000442543511 has 16 divisors (see below), whose sum is σ = 23719091743200. Its totient is φ = 10660332106944.

The previous prime is 16000442543509. The next prime is 16000442543557. The reversal of 16000442543511 is 11534524400061.

16000442543511 is a `hidden beast` number, since 1 + 60 + 0 + 0 + 4 + 4 + 2 + 543 + 51 + 1 = 666.

It is not a de Polignac number, because 16000442543511 - 2¹ = 16000442543509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000442541511) 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, 184110996 + ... + 184197881.

It is an arithmetic number, because the mean of its divisors is an integer number (1482443233950).

Almost surely, 2^{16000442543511} is an apocalyptic number.

16000442543511 is a deficient number, since it is larger than the sum of its proper divisors (7718649199689).

16000442543511 is a wasteful number, since it uses less digits than its factorization.

16000442543511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368310495 (or 368310489 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 16000442543511 its reverse (11534524400061), we get a palindrome (27534966943572).

The spelling of 16000442543511 in words is "sixteen trillion, four hundred forty-two million, five hundred forty-three thousand, five hundred eleven".