1100005497 has 12 divisors (see below), whose sum is σ = 1614945124. Its totient is φ = 721314720.

The previous prime is 1100005483. The next prime is 1100005561. The reversal of 1100005497 is 7945000011.

1100005497 is a `hidden beast` number, since 110 + 0 + 0 + 0 + 549 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52577001 + 1047428496 = 7251^2 + 32364^2 .

It is not a de Polignac number, because 1100005497 - 2⁶ = 1100005433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100005497.

It is not an unprimeable number, because it can be changed into a prime (1100005477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001278 + ... + 1002375.

Almost surely, 2^1100005497 is an apocalyptic number.

It is an amenable number.

1100005497 is a deficient number, since it is larger than the sum of its proper divisors (514939627).

1100005497 is a wasteful number, since it uses less digits than its factorization.

1100005497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003720 (or 2003717 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1100005497 is about 33166.3307738435. The cubic root of 1100005497 is about 1032.2818349819.

The spelling of 1100005497 in words is "one billion, one hundred million, five thousand, four hundred ninety-seven".