16545126477131 has 16 divisors (see below), whose sum is σ = 19420271640000. Its totient is φ = 13797890334720.

The previous prime is 16545126477107. The next prime is 16545126477149. The reversal of 16545126477131 is 13177462154561.

It is a cyclic number.

It is not a de Polignac number, because 16545126477131 - 2²² = 16545122282827 is a prime.

It is a super-2 number, since 2×16545126477131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16545126477101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9293495 + ... + 10929743.

It is an arithmetic number, because the mean of its divisors is an integer number (1213766977500).

Almost surely, 2^{16545126477131} is an apocalyptic number.

16545126477131 is a deficient number, since it is larger than the sum of its proper divisors (2875145162869).

16545126477131 is a wasteful number, since it uses less digits than its factorization.

16545126477131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675334.

The product of its digits is 4233600, while the sum is 53.

The spelling of 16545126477131 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, four hundred seventy-seven thousand, one hundred thirty-one".