11319513550 has 12 divisors (see below), whose sum is σ = 21054295296. Its totient is φ = 4527805400.

The previous prime is 11319513539. The next prime is 11319513551. The reversal of 11319513550 is 5531591311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11319513551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113195086 + ... + 113195185.

It is an arithmetic number, because the mean of its divisors is an integer number (1754524608).

Almost surely, 2^11319513550 is an apocalyptic number.

11319513550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11319513550 is a deficient number, since it is larger than the sum of its proper divisors (9734781746).

11319513550 is a wasteful number, since it uses less digits than its factorization.

11319513550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226390283 (or 226390278 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 34.

The spelling of 11319513550 in words is "eleven billion, three hundred nineteen million, five hundred thirteen thousand, five hundred fifty".