11315313550 has 12 divisors (see below), whose sum is σ = 21046483296. Its totient is φ = 4526125400.

The previous prime is 11315313533. The next prime is 11315313553. The reversal of 11315313550 is 5531351311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315313553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113153086 + ... + 113153185.

It is an arithmetic number, because the mean of its divisors is an integer number (1753873608).

Almost surely, 2^11315313550 is an apocalyptic number.

11315313550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11315313550 is a deficient number, since it is larger than the sum of its proper divisors (9731169746).

11315313550 is a wasteful number, since it uses less digits than its factorization.

11315313550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226306283 (or 226306278 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 28.

Adding to 11315313550 its reverse (5531351311), we get a palindrome (16846664861).

The spelling of 11315313550 in words is "eleven billion, three hundred fifteen million, three hundred thirteen thousand, five hundred fifty".