11101601 has 8 divisors (see below), whose sum is σ = 12707904. Its totient is φ = 9500400.

The previous prime is 11101589. The next prime is 11101603. The reversal of 11101601 is 10610111.

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

It is not a de Polignac number, because 11101601 - 2⁶ = 11101537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101603) 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, 6926 + ... + 8376.

It is an arithmetic number, because the mean of its divisors is an integer number (1588488).

Almost surely, 2^11101601 is an apocalyptic number.

It is an amenable number.

11101601 is a deficient number, since it is larger than the sum of its proper divisors (1606303).

11101601 is a wasteful number, since it uses less digits than its factorization.

11101601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 11101601 is about 3331.9065112935. The cubic root of 11101601 is about 223.0806347045.

Adding to 11101601 its reverse (10610111), we get a palindrome (21711712).

The spelling of 11101601 in words is "eleven million, one hundred one thousand, six hundred one".