11112155 has 8 divisors (see below), whose sum is σ = 13464672. Its totient is φ = 8803008.

The previous prime is 11112149. The next prime is 11112161. The reversal of 11112155 is 55121111.

It is an interprime number because it is at equal distance from previous prime (11112149) and next prime (11112161).

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 11112155 - 2⁶ = 11112091 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

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, 10274 + ... + 11303.

It is an arithmetic number, because the mean of its divisors is an integer number (1683084).

Almost surely, 2^11112155 is an apocalyptic number.

11112155 is a deficient number, since it is larger than the sum of its proper divisors (2352517).

11112155 is a wasteful number, since it uses less digits than its factorization.

11112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21685.

The product of its digits is 50, while the sum is 17.

The square root of 11112155 is about 3333.4899129891. The cubic root of 11112155 is about 223.1513046114.

Adding to 11112155 its reverse (55121111), we get a palindrome (66233266).

The spelling of 11112155 in words is "eleven million, one hundred twelve thousand, one hundred fifty-five".