1100196239581 has 4 divisors (see below), whose sum is σ = 1100199466912. Its totient is φ = 1100193012252.

The previous prime is 1100196239551. The next prime is 1100196239683. The reversal of 1100196239581 is 1859326910011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100196239581 - 2¹¹ = 1100196237533 is a prime.

It is a super-2 number, since 2×1100196239581² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100196239521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1032561 + ... + 1807366.

It is an arithmetic number, because the mean of its divisors is an integer number (275049866728).

Almost surely, 2^{1100196239581} is an apocalyptic number.

It is an amenable number.

1100196239581 is a deficient number, since it is larger than the sum of its proper divisors (3227331).

1100196239581 is an equidigital number, since it uses as much as digits as its factorization.

1100196239581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227330.

The product of its (nonzero) digits is 116640, while the sum is 46.

The spelling of 1100196239581 in words is "one trillion, one hundred billion, one hundred ninety-six million, two hundred thirty-nine thousand, five hundred eighty-one".