11577489 has 16 divisors (see below), whose sum is σ = 19246080. Its totient is φ = 6014160.

The previous prime is 11577439. The next prime is 11577497. The reversal of 11577489 is 98477511.

It is not a de Polignac number, because 11577489 - 2¹¹ = 11575441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11577489.

It is not an unprimeable number, because it can be changed into a prime (11577439) 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, 24829 + ... + 25290.

It is an arithmetic number, because the mean of its divisors is an integer number (1202880).

Almost surely, 2^11577489 is an apocalyptic number.

It is an amenable number.

11577489 is a deficient number, since it is larger than the sum of its proper divisors (7668591).

11577489 is a wasteful number, since it uses less digits than its factorization.

11577489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50140.

The product of its digits is 70560, while the sum is 42.

The square root of 11577489 is about 3402.5709397454. The cubic root of 11577489 is about 226.2237127462.

It can be divided in two parts, 1157 and 7489, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 11577489 in words is "eleven million, five hundred seventy-seven thousand, four hundred eighty-nine".