111412155152 has 20 divisors (see below), whose sum is σ = 218286458460. Its totient is φ = 55080165888.

The previous prime is 111412155149. The next prime is 111412155163. The reversal of 111412155152 is 251551214111.

It can be written as a sum of positive squares in 2 ways, for example, as 34441421056 + 76970734096 = 185584^2 + 277436^2 .

It is a super-2 number, since 2×111412155152² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39118013 + ... + 39120860.

It is an arithmetic number, because the mean of its divisors is an integer number (10914322923).

Almost surely, 2^111412155152 is an apocalyptic number.

It is an amenable number.

111412155152 is a deficient number, since it is larger than the sum of its proper divisors (106874303308).

111412155152 is an equidigital number, since it uses as much as digits as its factorization.

111412155152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78238970 (or 78238964 counting only the distinct ones).

The product of its digits is 2000, while the sum is 29.

Adding to 111412155152 its reverse (251551214111), we get a palindrome (362963369263).

The spelling of 111412155152 in words is "one hundred eleven billion, four hundred twelve million, one hundred fifty-five thousand, one hundred fifty-two".