11519144236 has 12 divisors (see below), whose sum is σ = 20172819240. Its totient is φ = 5755481600.

The previous prime is 11519144227. The next prime is 11519144237. The reversal of 11519144236 is 63244191511.

It is a junction number, because it is equal to n+sod(n) for n = 11519144195 and 11519144204.

It is not an unprimeable number, because it can be changed into a prime (11519144237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016290 + ... + 1027561.

It is an arithmetic number, because the mean of its divisors is an integer number (1681068270).

Almost surely, 2^11519144236 is an apocalyptic number.

It is an amenable number.

11519144236 is a deficient number, since it is larger than the sum of its proper divisors (8653675004).

11519144236 is a wasteful number, since it uses less digits than its factorization.

11519144236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045264 (or 2045262 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The spelling of 11519144236 in words is "eleven billion, five hundred nineteen million, one hundred forty-four thousand, two hundred thirty-six".