11320011 has 24 divisors (see below), whose sum is σ = 17441424. Its totient is φ = 7050240.

The previous prime is 11320007. The next prime is 11320013. The reversal of 11320011 is 11002311.

11320011 = T₁₇₈ + T₁₇₉ + ... + T₄₁₈.

It is not a de Polignac number, because 11320011 - 2² = 11320007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11319975 and 11320002.

It is not an unprimeable number, because it can be changed into a prime (11320013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36720 + ... + 37026.

It is an arithmetic number, because the mean of its divisors is an integer number (726726).

Almost surely, 2^11320011 is an apocalyptic number.

11320011 is a deficient number, since it is larger than the sum of its proper divisors (6121413).

11320011 is a wasteful number, since it uses less digits than its factorization.

11320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11320011 is about 3364.5224029571. The cubic root of 11320011 is about 224.5340877434.

Adding to 11320011 its reverse (11002311), we get a palindrome (22322322).

The spelling of 11320011 in words is "eleven million, three hundred twenty thousand, eleven".