104156111 has 4 divisors (see below), whose sum is σ = 104177424. Its totient is φ = 104134800.

The previous prime is 104156099. The next prime is 104156177. The reversal of 104156111 is 111651401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104156111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104156011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731 + ... + 14451.

It is an arithmetic number, because the mean of its divisors is an integer number (26044356).

Almost surely, 2^104156111 is an apocalyptic number.

104156111 is a deficient number, since it is larger than the sum of its proper divisors (21313).

104156111 is an equidigital number, since it uses as much as digits as its factorization.

104156111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21312.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 104156111 is about 10205.6901285508. The cubic root of 104156111 is about 470.5021206834.

The spelling of 104156111 in words is "one hundred four million, one hundred fifty-six thousand, one hundred eleven".