111535452106 has 8 divisors (see below), whose sum is σ = 180172653444. Its totient is φ = 51477900960.

The previous prime is 111535452053. The next prime is 111535452139. The reversal of 111535452106 is 601254535111.

It can be written as a sum of positive squares in 2 ways, for example, as 105956109081 + 5579343025 = 325509^2 + 74695^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144912515 + ... + 2144912566.

Almost surely, 2^111535452106 is an apocalyptic number.

111535452106 is a deficient number, since it is larger than the sum of its proper divisors (68637201338).

111535452106 is a wasteful number, since it uses less digits than its factorization.

111535452106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289825096.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 111535452106 its reverse (601254535111), we get a palindrome (712789987217).

The spelling of 111535452106 in words is "one hundred eleven billion, five hundred thirty-five million, four hundred fifty-two thousand, one hundred six".