11153542550 has 24 divisors (see below), whose sum is σ = 20748369936. Its totient is φ = 4460819040.

The previous prime is 11153542511. The next prime is 11153542613. The reversal of 11153542550 is 5524535111.

11153542550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11153542550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 706847 + ... + 722453.

It is an arithmetic number, because the mean of its divisors is an integer number (864515414).

Almost surely, 2^11153542550 is an apocalyptic number.

11153542550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11153542550 is a deficient number, since it is larger than the sum of its proper divisors (9594827386).

11153542550 is a wasteful number, since it uses less digits than its factorization.

11153542550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29912 (or 29907 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 11153542550 in words is "eleven billion, one hundred fifty-three million, five hundred forty-two thousand, five hundred fifty".