11550550525051 has 12 divisors (see below), whose sum is σ = 11837639915920. Its totient is φ = 11270003977440.

The previous prime is 11550550524983. The next prime is 11550550525099. The reversal of 11550550525051 is 15052505505511.

It is not a de Polignac number, because 11550550525051 - 2³⁷ = 11413111571579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11550550524995 and 11550550525013.

It is not an unprimeable number, because it can be changed into a prime (11550550525651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10850631 + ... + 11867488.

Almost surely, 2^{11550550525051} is an apocalyptic number.

11550550525051 is a deficient number, since it is larger than the sum of its proper divisors (287089390869).

11550550525051 is an equidigital number, since it uses as much as digits as its factorization.

11550550525051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22718406 (or 22718353 counting only the distinct ones).

The product of its (nonzero) digits is 156250, while the sum is 40.

The spelling of 11550550525051 in words is "eleven trillion, five hundred fifty billion, five hundred fifty million, five hundred twenty-five thousand, fifty-one".