111405213030344 has 16 divisors (see below), whose sum is σ = 208885669545420. Its totient is φ = 55702367818240.

The previous prime is 111405213030317. The next prime is 111405213030347. The reversal of 111405213030344 is 443030312504111.

It can be written as a sum of positive squares in 2 ways, for example, as 97151341345444 + 14253871684900 = 9856538^2 + 3775430^2 .

It is a super-2 number, since 2×111405213030344² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111405213030344.

It is not an unprimeable number, because it can be changed into a prime (111405213030347) 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, 27845729 + ... + 31594224.

Almost surely, 2^{111405213030344} is an apocalyptic number.

It is an amenable number.

111405213030344 is a deficient number, since it is larger than the sum of its proper divisors (97480456515076).

111405213030344 is a wasteful number, since it uses less digits than its factorization.

111405213030344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59674240 (or 59674236 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 111405213030344 its reverse (443030312504111), we get a palindrome (554435525534455).

The spelling of 111405213030344 in words is "one hundred eleven trillion, four hundred five billion, two hundred thirteen million, thirty thousand, three hundred forty-four".