11901105 has 48 divisors (see below), whose sum is σ = 22374144. Its totient is φ = 5829120.

The previous prime is 11901103. The next prime is 11901137. The reversal of 11901105 is 50110911.

11901105 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11901105 - 2¹ = 11901103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11901101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35790 + ... + 36120.

It is an arithmetic number, because the mean of its divisors is an integer number (466128).

Almost surely, 2^11901105 is an apocalyptic number.

11901105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11901105 is a deficient number, since it is larger than the sum of its proper divisors (10473039).

11901105 is a wasteful number, since it uses less digits than its factorization.

11901105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 18.

The square root of 11901105 is about 3449.7978201628. The cubic root of 11901105 is about 228.3121877636.

The spelling of 11901105 in words is "eleven million, nine hundred one thousand, one hundred five".