105255111139 has 8 divisors (see below), whose sum is σ = 108888221520. Its totient is φ = 101622242400.

The previous prime is 105255111109. The next prime is 105255111151. The reversal of 105255111139 is 931111552501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105255111139 - 2⁵ = 105255111107 is a prime.

It is a super-2 number, since 2×105255111139² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105255111109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595469 + ... + 1660129.

It is an arithmetic number, because the mean of its divisors is an integer number (13611027690).

Almost surely, 2^105255111139 is an apocalyptic number.

105255111139 is a deficient number, since it is larger than the sum of its proper divisors (3633110381).

105255111139 is an equidigital number, since it uses as much as digits as its factorization.

105255111139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120821.

The product of its (nonzero) digits is 6750, while the sum is 34.

The spelling of 105255111139 in words is "one hundred five billion, two hundred fifty-five million, one hundred eleven thousand, one hundred thirty-nine".