11552550212 has 12 divisors (see below), whose sum is σ = 23105100480. Its totient is φ = 4951092936.

The previous prime is 11552550199. The next prime is 11552550263. The reversal of 11552550212 is 21205525511.

11552550212 is an admirable number.

It is a super-2 number, since 2×11552550212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206295512 + ... + 206295567.

It is an arithmetic number, because the mean of its divisors is an integer number (1925425040).

Almost surely, 2^11552550212 is an apocalyptic number.

It is an amenable number.

11552550212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11552550212 is a wasteful number, since it uses less digits than its factorization.

11552550212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412591090 (or 412591088 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 11552550212 in words is "eleven billion, five hundred fifty-two million, five hundred fifty thousand, two hundred twelve".