16545520231119 has 32 divisors (see below), whose sum is σ = 26746586830080. Its totient is φ = 10025205976800.

The previous prime is 16545520231109. The next prime is 16545520231127. The reversal of 16545520231119 is 91113202554561.

16545520231119 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 5 + 520 + 2 + 3 + 1 + 119 = 666.

It is not a de Polignac number, because 16545520231119 - 2¹² = 16545520227023 is a prime.

It is a super-2 number, since 2×16545520231119² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545520231109) 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, 5364012 + ... + 7865345.

It is an arithmetic number, because the mean of its divisors is an integer number (835830838440).

Almost surely, 2^{16545520231119} is an apocalyptic number.

16545520231119 is a deficient number, since it is larger than the sum of its proper divisors (10201066598961).

16545520231119 is a wasteful number, since it uses less digits than its factorization.

16545520231119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13233588 (or 13233582 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 16545520231119 in words is "sixteen trillion, five hundred forty-five billion, five hundred twenty million, two hundred thirty-one thousand, one hundred nineteen".