11109477 has 16 divisors (see below), whose sum is σ = 15117440. Its totient is φ = 7255872.

The previous prime is 11109473. The next prime is 11109479. The reversal of 11109477 is 77490111.

It is not a de Polignac number, because 11109477 - 2² = 11109473 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 (11109473) 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, 48399 + ... + 48627.

It is an arithmetic number, because the mean of its divisors is an integer number (944840).

Almost surely, 2^11109477 is an apocalyptic number.

It is an amenable number.

11109477 is a deficient number, since it is larger than the sum of its proper divisors (4007963).

11109477 is a wasteful number, since it uses less digits than its factorization.

11109477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 11109477 is about 3333.0882076537. The cubic root of 11109477 is about 223.1333768795.

Adding to 11109477 its reverse (77490111), we get a palindrome (88599588).

The spelling of 11109477 in words is "eleven million, one hundred nine thousand, four hundred seventy-seven".