1105111434 has 32 divisors (see below), whose sum is σ = 2527873920. Its totient is φ = 315508032.

The previous prime is 1105111409. The next prime is 1105111451. The reversal of 1105111434 is 4341115011.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105111434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50812 + ... + 69224.

It is an arithmetic number, because the mean of its divisors is an integer number (78996060).

Almost surely, 2^1105111434 is an apocalyptic number.

1105111434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1105111434 is an abundant number, since it is smaller than the sum of its proper divisors (1422762486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105111434 is a wasteful number, since it uses less digits than its factorization.

1105111434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19854.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1105111434 is about 33243.2163606351. The cubic root of 1105111434 is about 1033.8765639247.

Adding to 1105111434 its reverse (4341115011), we get a palindrome (5446226445).

The spelling of 1105111434 in words is "one billion, one hundred five million, one hundred eleven thousand, four hundred thirty-four".