11156101 has 8 divisors (see below), whose sum is σ = 12245184. Its totient is φ = 10079520.

The previous prime is 11156099. The next prime is 11156111. The reversal of 11156101 is 10165111.

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

It is not a de Polignac number, because 11156101 - 2¹ = 11156099 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 (11156111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200 + ... + 4873.

It is an arithmetic number, because the mean of its divisors is an integer number (1530648).

Almost surely, 2^11156101 is an apocalyptic number.

11156101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11156101 is a deficient number, since it is larger than the sum of its proper divisors (1089083).

11156101 is a wasteful number, since it uses less digits than its factorization.

11156101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 11156101 is about 3340.0749991580. The cubic root of 11156101 is about 223.4450882487.

The spelling of 11156101 in words is "eleven million, one hundred fifty-six thousand, one hundred one".