111215240311135 has 8 divisors (see below), whose sum is σ = 134477053934256. Its totient is φ = 88293015208320.

The previous prime is 111215240311127. The next prime is 111215240311151. The reversal of 111215240311135 is 531113042512111.

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

It is not a de Polignac number, because 111215240311135 - 2³ = 111215240311127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111215240311097 and 111215240311106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84897129354 + ... + 84897130663.

It is an arithmetic number, because the mean of its divisors is an integer number (16809631741782).

Almost surely, 2^{111215240311135} is an apocalyptic number.

111215240311135 is a deficient number, since it is larger than the sum of its proper divisors (23261813623121).

111215240311135 is a wasteful number, since it uses less digits than its factorization.

111215240311135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169794260153.

The product of its (nonzero) digits is 3600, while the sum is 31.

Adding to 111215240311135 its reverse (531113042512111), we get a palindrome (642328282823246).

The spelling of 111215240311135 in words is "one hundred eleven trillion, two hundred fifteen billion, two hundred forty million, three hundred eleven thousand, one hundred thirty-five".