11901117 has 16 divisors (see below), whose sum is σ = 16613888. Its totient is φ = 7568640.

The previous prime is 11901103. The next prime is 11901137. The reversal of 11901117 is 71110911.

It is not a de Polignac number, because 11901117 - 2⁴ = 11901101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11901093 and 11901102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11901137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5913 + ... + 7665.

It is an arithmetic number, because the mean of its divisors is an integer number (1038368).

Almost surely, 2^11901117 is an apocalyptic number.

It is an amenable number.

11901117 is a deficient number, since it is larger than the sum of its proper divisors (4712771).

11901117 is a wasteful number, since it uses less digits than its factorization.

11901117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 63, while the sum is 21.

The square root of 11901117 is about 3449.7995593947. The cubic root of 11901117 is about 228.3122645001.

The spelling of 11901117 in words is "eleven million, nine hundred one thousand, one hundred seventeen".