11050555555061 has 32 divisors (see below), whose sum is σ = 12320145346176. Its totient is φ = 9827505792000.

The previous prime is 11050555555057. The next prime is 11050555555069. The reversal of 11050555555061 is 16055555505011.

It is a cyclic number.

It is not a de Polignac number, because 11050555555061 - 2² = 11050555555057 is a prime.

It is a super-2 number, since 2×11050555555061² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11050555555069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128779991 + ... + 128865771.

It is an arithmetic number, because the mean of its divisors is an integer number (385004542068).

Almost surely, 2^{11050555555061} is an apocalyptic number.

11050555555061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11050555555061 is a deficient number, since it is larger than the sum of its proper divisors (1269589791115).

11050555555061 is a wasteful number, since it uses less digits than its factorization.

11050555555061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87173.

The product of its (nonzero) digits is 468750, while the sum is 44.

Multiplying 11050555555061 by its sum of digits (44), we get a palindrome (486224444422684).

The spelling of 11050555555061 in words is "eleven trillion, fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, sixty-one".