1096905581 has 12 divisors (see below), whose sum is σ = 1182734496. Its totient is φ = 1015347960.

The previous prime is 1096905571. The next prime is 1096905629. The reversal of 1096905581 is 1855096901.

It is a de Polignac number, because none of the positive numbers 2^k-1096905581 is a prime.

It is a super-2 number, since 2×1096905581² = 2406403707257895122, which 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 (1096905571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2711 + ... + 46916.

It is an arithmetic number, because the mean of its divisors is an integer number (98561208).

Almost surely, 2^1096905581 is an apocalyptic number.

It is an amenable number.

1096905581 is a deficient number, since it is larger than the sum of its proper divisors (85828915).

1096905581 is an equidigital number, since it uses as much as digits as its factorization.

1096905581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49712 (or 49681 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 1096905581 is about 33119.5649276979. The cubic root of 1096905581 is about 1031.3112344857.

The spelling of 1096905581 in words is "one billion, ninety-six million, nine hundred five thousand, five hundred eighty-one".