11050501111111 has 24 divisors (see below), whose sum is σ = 14026426891776. Its totient is φ = 8608841907120.

The previous prime is 11050501111093. The next prime is 11050501111157. The reversal of 11050501111111 is 11111110505011.

11050501111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11050501111111 - 2¹⁵ = 11050501078343 is a prime.

It is a super-2 number, since 2×11050501111111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

11050501111111 is a modest number, since divided by 1111111 gives 1105050 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11050501115111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91800 + ... + 4702066.

It is an arithmetic number, because the mean of its divisors is an integer number (584434453824).

Almost surely, 2^{11050501111111} is an apocalyptic number.

11050501111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11050501111111 is a deficient number, since it is larger than the sum of its proper divisors (2975925780665).

11050501111111 is a wasteful number, since it uses less digits than its factorization.

11050501111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614739 (or 4614732 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 19.

Adding to 11050501111111 its reverse (11111110505011), we get a palindrome (22161611616122).

The spelling of 11050501111111 in words is "eleven trillion, fifty billion, five hundred one million, one hundred eleven thousand, one hundred eleven".