111354434512 has 10 divisors (see below), whose sum is σ = 215749216898. Its totient is φ = 55677217248.

The previous prime is 111354434459. The next prime is 111354434533. The reversal of 111354434512 is 215434453111.

It can be written as a sum of positive squares in only one way, i.e., 77983913536 + 33370520976 = 279256^2 + 182676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3479826063 + ... + 3479826094.

Almost surely, 2^111354434512 is an apocalyptic number.

It is an amenable number.

111354434512 is a deficient number, since it is larger than the sum of its proper divisors (104394782386).

111354434512 is an equidigital number, since it uses as much as digits as its factorization.

111354434512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959652165 (or 6959652159 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 111354434512 its reverse (215434453111), we get a palindrome (326788887623).

The spelling of 111354434512 in words is "one hundred eleven billion, three hundred fifty-four million, four hundred thirty-four thousand, five hundred twelve".