1000011100995 has 64 divisors (see below), whose sum is σ = 1783047997440. Its totient is φ = 531766145664.

The previous prime is 1000011100931. The next prime is 1000011100997. The reversal of 1000011100995 is 5990011100001.

It is not a de Polignac number, because 1000011100995 - 2⁶ = 1000011100931 is a prime.

It is a super-2 number, since 2×1000011100995² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1000011100997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80399917 + ... + 80412353.

It is an arithmetic number, because the mean of its divisors is an integer number (27860124960).

Almost surely, 2^{1000011100995} is an apocalyptic number.

1000011100995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1000011100995 is a deficient number, since it is larger than the sum of its proper divisors (783036896445).

1000011100995 is a wasteful number, since it uses less digits than its factorization.

1000011100995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14161 (or 14155 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 27.

Adding to 1000011100995 its reverse (5990011100001), we get a palindrome (6990022200996).

The spelling of 1000011100995 in words is "one trillion, eleven million, one hundred thousand, nine hundred ninety-five".