11505600550 has 12 divisors (see below), whose sum is σ = 21400417116. Its totient is φ = 4602240200.

The previous prime is 11505600529. The next prime is 11505600551. The reversal of 11505600550 is 5500650511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505600551) 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, 115055956 + ... + 115056055.

It is an arithmetic number, because the mean of its divisors is an integer number (1783368093).

Almost surely, 2^11505600550 is an apocalyptic number.

11505600550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505600550 is a deficient number, since it is larger than the sum of its proper divisors (9894816566).

11505600550 is a wasteful number, since it uses less digits than its factorization.

11505600550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230112023 (or 230112018 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 11505600550 in words is "eleven billion, five hundred five million, six hundred thousand, five hundred fifty".