61119369 has 12 divisors (see below), whose sum is σ = 93476916. Its totient is φ = 38349312.

The previous prime is 61119361. The next prime is 61119379. The reversal of 61119369 is 96391116.

61119369 is a `hidden beast` number, since 611 + 1 + 9 + 36 + 9 = 666.

61119369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57198969 + 3920400 = 7563^2 + 1980^2 .

It is not a de Polignac number, because 61119369 - 2³ = 61119361 is a prime.

It is a super-2 number, since 2×61119369² = 7471154533916322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61119361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199584 + ... + 199889.

It is an arithmetic number, because the mean of its divisors is an integer number (7789743).

Almost surely, 2^61119369 is an apocalyptic number.

It is an amenable number.

61119369 is a deficient number, since it is larger than the sum of its proper divisors (32357547).

61119369 is a wasteful number, since it uses less digits than its factorization.

61119369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399496 (or 399493 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 61119369 is about 7817.8877582119. The cubic root of 61119369 is about 393.9063246255.

The spelling of 61119369 in words is "sixty-one million, one hundred nineteen thousand, three hundred sixty-nine".