11550166413 has 4 divisors (see below), whose sum is σ = 15400221888. Its totient is φ = 7700110940.

The previous prime is 11550166409. The next prime is 11550166421. The reversal of 11550166413 is 31466105511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11550166413 - 2² = 11550166409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550166483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925027733 + ... + 1925027738.

It is an arithmetic number, because the mean of its divisors is an integer number (3850055472).

Almost surely, 2^11550166413 is an apocalyptic number.

It is an amenable number.

11550166413 is a deficient number, since it is larger than the sum of its proper divisors (3850055475).

11550166413 is an equidigital number, since it uses as much as digits as its factorization.

11550166413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850055474.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 11550166413 in words is "eleven billion, five hundred fifty million, one hundred sixty-six thousand, four hundred thirteen".