105511049994 has 16 divisors (see below), whose sum is σ = 241168114368. Its totient is φ = 30146014272.

The previous prime is 105511049981. The next prime is 105511050019. The reversal of 105511049994 is 499940115501.

It is a super-2 number, since 2×105511049994² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256083887 + ... + 1256083970.

It is an arithmetic number, because the mean of its divisors is an integer number (15073007148).

Almost surely, 2^105511049994 is an apocalyptic number.

105511049994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105511049994 is an abundant number, since it is smaller than the sum of its proper divisors (135657064374).

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

105511049994 is a wasteful number, since it uses less digits than its factorization.

105511049994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512167869.

The product of its (nonzero) digits is 291600, while the sum is 48.

The spelling of 105511049994 in words is "one hundred five billion, five hundred eleven million, forty-nine thousand, nine hundred ninety-four".