11111011061005 has 32 divisors (see below), whose sum is σ = 14051910896640. Its totient is φ = 8417413804800.

The previous prime is 11111011060949. The next prime is 11111011061027. The reversal of 11111011061005 is 50016011011111.

It is not a de Polignac number, because 11111011061005 - 2¹⁷ = 11111010929933 is a prime.

It is a super-2 number, since 2×11111011061005² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156406924 + ... + 156477946.

It is an arithmetic number, because the mean of its divisors is an integer number (439122215520).

Almost surely, 2^{11111011061005} is an apocalyptic number.

It is an amenable number.

11111011061005 is a deficient number, since it is larger than the sum of its proper divisors (2940899835635).

11111011061005 is a wasteful number, since it uses less digits than its factorization.

11111011061005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84621.

The product of its (nonzero) digits is 30, while the sum is 19.

Adding to 11111011061005 its reverse (50016011011111), we get a palindrome (61127022072116).

The spelling of 11111011061005 in words is "eleven trillion, one hundred eleven billion, eleven million, sixty-one thousand, five".