11055570021147 has 16 divisors (see below), whose sum is σ = 14920267703040. Its totient is φ = 7280648893152.

The previous prime is 11055570021127. The next prime is 11055570021191. The reversal of 11055570021147 is 74112007555011.

It is not a de Polignac number, because 11055570021147 - 2¹⁰ = 11055570020123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11055570021127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886183 + ... + 4785024.

It is an arithmetic number, because the mean of its divisors is an integer number (932516731440).

Almost surely, 2^{11055570021147} is an apocalyptic number.

11055570021147 is a deficient number, since it is larger than the sum of its proper divisors (3864697681893).

11055570021147 is an equidigital number, since it uses as much as digits as its factorization.

11055570021147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679122.

The product of its (nonzero) digits is 49000, while the sum is 39.

Adding to 11055570021147 its reverse (74112007555011), we get a palindrome (85167577576158).

The spelling of 11055570021147 in words is "eleven trillion, fifty-five billion, five hundred seventy million, twenty-one thousand, one hundred forty-seven".