11553055443166 has 4 divisors (see below), whose sum is σ = 17329583164752. Its totient is φ = 5776527721582.

The previous prime is 11553055443151. The next prime is 11553055443197. The reversal of 11553055443166 is 66134455035511.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11553055443166² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888263860790 + ... + 2888263860793.

It is an arithmetic number, because the mean of its divisors is an integer number (4332395791188).

Almost surely, 2^{11553055443166} is an apocalyptic number.

11553055443166 is a deficient number, since it is larger than the sum of its proper divisors (5776527721586).

11553055443166 is an equidigital number, since it uses as much as digits as its factorization.

11553055443166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776527721585.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 11553055443166 in words is "eleven trillion, five hundred fifty-three billion, fifty-five million, four hundred forty-three thousand, one hundred sixty-six".