11545564050 has 72 divisors (see below), whose sum is σ = 32019736320. Its totient is φ = 2979496800.

The previous prime is 11545564007. The next prime is 11545564057. The reversal of 11545564050 is 5046554511.

11545564050 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 5 + 5 + 640 + 5 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11545563996 and 11545564014.

It is not an unprimeable number, because it can be changed into a prime (11545564057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 399870 + ... + 427769.

It is an arithmetic number, because the mean of its divisors is an integer number (444718560).

Almost surely, 2^11545564050 is an apocalyptic number.

11545564050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11545564050 is an abundant number, since it is smaller than the sum of its proper divisors (20474172270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11545564050 is a wasteful number, since it uses less digits than its factorization.

11545564050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827688 (or 827680 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 11545564050 in words is "eleven billion, five hundred forty-five million, five hundred sixty-four thousand, fifty".