111345123351 has 96 divisors (see below), whose sum is σ = 190595801088. Its totient is φ = 56580480000.

The previous prime is 111345123347. The next prime is 111345123353. The reversal of 111345123351 is 153321543111.

It is not a de Polignac number, because 111345123351 - 2² = 111345123347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111345123353) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29603311 + ... + 29607071.

It is an arithmetic number, because the mean of its divisors is an integer number (1985372928).

Almost surely, 2^111345123351 is an apocalyptic number.

111345123351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111345123351 is a deficient number, since it is larger than the sum of its proper divisors (79250677737).

111345123351 is a wasteful number, since it uses less digits than its factorization.

111345123351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4034 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

Adding to 111345123351 its reverse (153321543111), we get a palindrome (264666666462).

The spelling of 111345123351 in words is "one hundred eleven billion, three hundred forty-five million, one hundred twenty-three thousand, three hundred fifty-one".