1101156442005 has 32 divisors (see below), whose sum is σ = 1768387645440. Its totient is φ = 585106191680.

The previous prime is 1101156441991. The next prime is 1101156442021. The reversal of 1101156442005 is 5002446511011.

It is not a de Polignac number, because 1101156442005 - 2⁷ = 1101156441877 is a prime.

It is a super-2 number, since 2×1101156442005² (a number of 25 digits) contains 22 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 9566686 + ... + 9681104.

It is an arithmetic number, because the mean of its divisors is an integer number (55262113920).

Almost surely, 2^{1101156442005} is an apocalyptic number.

1101156442005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1101156442005 is a deficient number, since it is larger than the sum of its proper divisors (667231203435).

1101156442005 is a wasteful number, since it uses less digits than its factorization.

1101156442005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116801.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 1101156442005 in words is "one trillion, one hundred one billion, one hundred fifty-six million, four hundred forty-two thousand, five".