10111345511 has 2 divisors, whose sum is σ = 10111345512. Its totient is φ = 10111345510.

The previous prime is 10111345487. The next prime is 10111345529. The reversal of 10111345511 is 11554311101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10111345511 - 2¹⁰ = 10111344487 is a prime.

It is a super-2 number, since 2×10111345511² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111345591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055672755 + 5055672756.

It is an arithmetic number, because the mean of its divisors is an integer number (5055672756).

Almost surely, 2^10111345511 is an apocalyptic number.

10111345511 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111345511 is an equidigital number, since it uses as much as digits as its factorization.

10111345511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 10111345511 its reverse (11554311101), we get a palindrome (21665656612).

The spelling of 10111345511 in words is "ten billion, one hundred eleven million, three hundred forty-five thousand, five hundred eleven".