105533503511 has 16 divisors (see below), whose sum is σ = 107005368960. Its totient is φ = 104070251520.

The previous prime is 105533503501. The next prime is 105533503519. The reversal of 105533503511 is 115305335501.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105533503511 is a prime.

It is a super-2 number, since 2×105533503511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105533503519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37729565 + ... + 37732361.

It is an arithmetic number, because the mean of its divisors is an integer number (6687835560).

Almost surely, 2^105533503511 is an apocalyptic number.

105533503511 is a deficient number, since it is larger than the sum of its proper divisors (1471865449).

105533503511 is an equidigital number, since it uses as much as digits as its factorization.

105533503511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154.

The product of its (nonzero) digits is 16875, while the sum is 32.

The spelling of 105533503511 in words is "one hundred five billion, five hundred thirty-three million, five hundred three thousand, five hundred eleven".