1050105510111 has 16 divisors (see below), whose sum is σ = 1643408367104. Its totient is φ = 583842445344.

The previous prime is 1050105510109. The next prime is 1050105510119. The reversal of 1050105510111 is 1110155010501.

It is not a de Polignac number, because 1050105510111 - 2¹ = 1050105510109 is a prime.

It is a super-2 number, since 2×1050105510111² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050105510119) 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, 675742795 + ... + 675744348.

It is an arithmetic number, because the mean of its divisors is an integer number (102713022944).

Almost surely, 2^{1050105510111} is an apocalyptic number.

1050105510111 is a deficient number, since it is larger than the sum of its proper divisors (593302856993).

1050105510111 is a wasteful number, since it uses less digits than its factorization.

1050105510111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351487190.

The product of its (nonzero) digits is 125, while the sum is 21.

The spelling of 1050105510111 in words is "one trillion, fifty billion, one hundred five million, five hundred ten thousand, one hundred eleven".