16113035104520 has 32 divisors (see below), whose sum is σ = 36463891596120. Its totient is φ = 6407958466560.

The previous prime is 16113035104519. The next prime is 16113035104541. The reversal of 16113035104520 is 2540153031161.

It can be written as a sum of positive squares in 4 ways, for example, as 16100364900676 + 12670203844 = 4012526^2 + 112562^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164229721 + ... + 1164243560.

Almost surely, 2^{16113035104520} is an apocalyptic number.

16113035104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16113035104520 is an abundant number, since it is smaller than the sum of its proper divisors (20350856491600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16113035104520 is a wasteful number, since it uses less digits than its factorization.

16113035104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328473465 (or 2328473461 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 16113035104520 its reverse (2540153031161), we get a palindrome (18653188135681).

The spelling of 16113035104520 in words is "sixteen trillion, one hundred thirteen billion, thirty-five million, one hundred four thousand, five hundred twenty".