11111430105 has 48 divisors (see below), whose sum is σ = 19359288000. Its totient is φ = 5895586944.

The previous prime is 11111430103. The next prime is 11111430107. The reversal of 11111430105 is 50103411111.

It is an interprime number because it is at equal distance from previous prime (11111430103) and next prime (11111430107).

It is not a de Polignac number, because 11111430105 - 2¹ = 11111430103 is a prime.

It is a super-2 number, since 2×11111430105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11111430103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9947007 + ... + 9948123.

It is an arithmetic number, because the mean of its divisors is an integer number (403318500).

Almost surely, 2^11111430105 is an apocalyptic number.

11111430105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11111430105 is a deficient number, since it is larger than the sum of its proper divisors (8247857895).

11111430105 is a wasteful number, since it uses less digits than its factorization.

11111430105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 11111430105 its reverse (50103411111), we get a palindrome (61214841216).

The spelling of 11111430105 in words is "eleven billion, one hundred eleven million, four hundred thirty thousand, one hundred five".