11315530550 has 48 divisors (see below), whose sum is σ = 22143082752. Its totient is φ = 4296441600.

The previous prime is 11315530537. The next prime is 11315530559. The reversal of 11315530550 is 5503551311.

11315530550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315530559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259 + ... + 150441.

It is an arithmetic number, because the mean of its divisors is an integer number (461314224).

Almost surely, 2^11315530550 is an apocalyptic number.

11315530550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11315530550 is a deficient number, since it is larger than the sum of its proper divisors (10827552202).

11315530550 is a wasteful number, since it uses less digits than its factorization.

11315530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149273 (or 149268 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 29.

The spelling of 11315530550 in words is "eleven billion, three hundred fifteen million, five hundred thirty thousand, five hundred fifty".