111974400005 has 8 divisors (see below), whose sum is σ = 144705378552. Its totient is φ = 82688787648.

The previous prime is 111974399981. The next prime is 111974400029. The reversal of 111974400005 is 500004479111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111974399981) and next prime (111974400029).

It can be written as a sum of positive squares in 4 ways, for example, as 5751857281 + 106222542724 = 75841^2 + 325918^2 .

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 111974400005 - 2¹⁸ = 111974137861 is a prime.

It is a super-3 number, since 3×111974400005³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 861341474 + ... + 861341603.

It is an arithmetic number, because the mean of its divisors is an integer number (18088172319).

Almost surely, 2^111974400005 is an apocalyptic number.

It is an amenable number.

111974400005 is a deficient number, since it is larger than the sum of its proper divisors (32730978547).

111974400005 is a wasteful number, since it uses less digits than its factorization.

111974400005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722683095.

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 111974400005 its reverse (500004479111), we get a palindrome (611978879116).

The spelling of 111974400005 in words is "one hundred eleven billion, nine hundred seventy-four million, four hundred thousand, five".