100011105511 has 2 divisors, whose sum is σ = 100011105512. Its totient is φ = 100011105510.

The previous prime is 100011105499. The next prime is 100011105529. The reversal of 100011105511 is 115501110001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100011105511 - 2⁵ = 100011105479 is a prime.

It is a super-2 number, since 2×100011105511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100011105911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005552755 + 50005552756.

It is an arithmetic number, because the mean of its divisors is an integer number (50005552756).

Almost surely, 2^100011105511 is an apocalyptic number.

100011105511 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011105511 is an equidigital number, since it uses as much as digits as its factorization.

100011105511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25, while the sum is 16.

Adding to 100011105511 its reverse (115501110001), we get a palindrome (215512215512).

The spelling of 100011105511 in words is "one hundred billion, eleven million, one hundred five thousand, five hundred eleven".