111342413551 has 8 divisors (see below), whose sum is σ = 117206455680. Its totient is φ = 105478762968.

The previous prime is 111342413549. The next prime is 111342413587. The reversal of 111342413551 is 155314243111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111342413551 - 2¹ = 111342413549 is a prime.

It is a super-4 number, since 4×111342413551⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111342413531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621420 + ... + 780286.

It is an arithmetic number, because the mean of its divisors is an integer number (14650806960).

Almost surely, 2^111342413551 is an apocalyptic number.

111342413551 is a deficient number, since it is larger than the sum of its proper divisors (5864042129).

111342413551 is a wasteful number, since it uses less digits than its factorization.

111342413551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195773.

The product of its digits is 7200, while the sum is 31.

Adding to 111342413551 its reverse (155314243111), we get a palindrome (266656656662).

The spelling of 111342413551 in words is "one hundred eleven billion, three hundred forty-two million, four hundred thirteen thousand, five hundred fifty-one".