11552205450516 has 24 divisors (see below), whose sum is σ = 26955201295680. Its totient is φ = 3850727258112.

The previous prime is 11552205450493. The next prime is 11552205450587. The reversal of 11552205450516 is 61505450225511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10063105 + ... + 11152151.

It is an arithmetic number, because the mean of its divisors is an integer number (1123133387320).

Almost surely, 2^{11552205450516} is an apocalyptic number.

It is an amenable number.

11552205450516 is an abundant number, since it is smaller than the sum of its proper divisors (15402995845164).

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

11552205450516 is a wasteful number, since it uses less digits than its factorization.

11552205450516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973023 (or 1973021 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 11552205450516 in words is "eleven trillion, five hundred fifty-two billion, two hundred five million, four hundred fifty thousand, five hundred sixteen".