11050555005501 has 16 divisors (see below), whose sum is σ = 16097925381120. Its totient is φ = 6687143219120.

The previous prime is 11050555005493. The next prime is 11050555005527. The reversal of 11050555005501 is 10550055505011.

It is a cyclic number.

It is not a de Polignac number, because 11050555005501 - 2³ = 11050555005493 is a prime.

It is a super-2 number, since 2×11050555005501² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11050555005571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254049045 + ... + 254092538.

It is an arithmetic number, because the mean of its divisors is an integer number (1006120336320).

Almost surely, 2^{11050555005501} is an apocalyptic number.

11050555005501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11050555005501 is a deficient number, since it is larger than the sum of its proper divisors (5047370375619).

11050555005501 is a wasteful number, since it uses less digits than its factorization.

11050555005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508142256.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 11050555005501 in words is "eleven trillion, fifty billion, five hundred fifty-five million, five thousand, five hundred one".