11133577550 has 24 divisors (see below), whose sum is σ = 20921952576. Its totient is φ = 4407517440.

The previous prime is 11133577531. The next prime is 11133577561. The reversal of 11133577550 is 5577533111.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1142942 + ... + 1152641.

It is an arithmetic number, because the mean of its divisors is an integer number (871748024).

Almost surely, 2^11133577550 is an apocalyptic number.

11133577550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11133577550 is a deficient number, since it is larger than the sum of its proper divisors (9788375026).

11133577550 is a wasteful number, since it uses less digits than its factorization.

11133577550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295692 (or 2295687 counting only the distinct ones).

The product of its (nonzero) digits is 55125, while the sum is 38.

The spelling of 11133577550 in words is "eleven billion, one hundred thirty-three million, five hundred seventy-seven thousand, five hundred fifty".