16112540420459 has 4 divisors (see below), whose sum is σ = 18414331909104. Its totient is φ = 13810748931816.

The previous prime is 16112540420441. The next prime is 16112540420521. The reversal of 16112540420459 is 95402404521161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16112540420459 is a prime.

It is a super-2 number, since 2×16112540420459² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16112540420659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150895744312 + ... + 1150895744325.

It is an arithmetic number, because the mean of its divisors is an integer number (4603582977276).

Almost surely, 2^{16112540420459} is an apocalyptic number.

16112540420459 is a deficient number, since it is larger than the sum of its proper divisors (2301791488645).

16112540420459 is an equidigital number, since it uses as much as digits as its factorization.

16112540420459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301791488644.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 16112540420459 in words is "sixteen trillion, one hundred twelve billion, five hundred forty million, four hundred twenty thousand, four hundred fifty-nine".