10505432111 has 2 divisors, whose sum is σ = 10505432112. Its totient is φ = 10505432110.

The previous prime is 10505432083. The next prime is 10505432131. The reversal of 10505432111 is 11123450501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10505432111 - 2¹⁸ = 10505169967 is a prime.

It is a super-2 number, since 2×10505432111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10505432131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252716055 + 5252716056.

It is an arithmetic number, because the mean of its divisors is an integer number (5252716056).

Almost surely, 2^10505432111 is an apocalyptic number.

10505432111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10505432111 is an equidigital number, since it uses as much as digits as its factorization.

10505432111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 10505432111 its reverse (11123450501), we get a palindrome (21628882612).

The spelling of 10505432111 in words is "ten billion, five hundred five million, four hundred thirty-two thousand, one hundred eleven".