16040078211875 has 20 divisors (see below), whose sum is σ = 20044050850560. Its totient is φ = 12831826260000.

The previous prime is 16040078211809. The next prime is 16040078211907. The reversal of 16040078211875 is 57811287004061.

It is a happy number.

It is not a de Polignac number, because 16040078211875 - 2¹² = 16040078207779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38914361 + ... + 39324389.

It is an arithmetic number, because the mean of its divisors is an integer number (1002202542528).

Almost surely, 2^{16040078211875} is an apocalyptic number.

16040078211875 is a deficient number, since it is larger than the sum of its proper divisors (4003972638685).

16040078211875 is an frugal number, since it uses more digits than its factorization.

16040078211875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472640 (or 472625 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 16040078211875 in words is "sixteen trillion, forty billion, seventy-eight million, two hundred eleven thousand, eight hundred seventy-five".