1111132111511 has 2 divisors, whose sum is σ = 1111132111512. Its totient is φ = 1111132111510.

The previous prime is 1111132111489. The next prime is 1111132111549. The reversal of 1111132111511 is 1151112311111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111132111511 - 2³⁸ = 836254204567 is a prime.

It is a super-2 number, since 2×1111132111511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111132114511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555566055755 + 555566055756.

It is an arithmetic number, because the mean of its divisors is an integer number (555566055756).

Almost surely, 2^{1111132111511} is an apocalyptic number.

1111132111511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111132111511 is an equidigital number, since it uses as much as digits as its factorization.

1111132111511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30, while the sum is 20.

Adding to 1111132111511 its reverse (1151112311111), we get a palindrome (2262244422622).

The spelling of 1111132111511 in words is "one trillion, one hundred eleven billion, one hundred thirty-two million, one hundred eleven thousand, five hundred eleven".