16138419171511 has 32 divisors (see below), whose sum is σ = 20162327575040. Its totient is φ = 12576282466176.

The previous prime is 16138419171463. The next prime is 16138419171527. The reversal of 16138419171511 is 11517191483161.

It is not a de Polignac number, because 16138419171511 - 2⁹ = 16138419170999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138419171541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38795620 + ... + 39209398.

It is an arithmetic number, because the mean of its divisors is an integer number (630072736720).

Almost surely, 2^{16138419171511} is an apocalyptic number.

16138419171511 is a deficient number, since it is larger than the sum of its proper divisors (4023908403529).

16138419171511 is a wasteful number, since it uses less digits than its factorization.

16138419171511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420263.

The product of its digits is 181440, while the sum is 49.

The spelling of 16138419171511 in words is "sixteen trillion, one hundred thirty-eight billion, four hundred nineteen million, one hundred seventy-one thousand, five hundred eleven".