1100385897 has 16 divisors (see below), whose sum is σ = 1582519680. Its totient is φ = 676098432.

The previous prime is 1100385859. The next prime is 1100385901. The reversal of 1100385897 is 7985830011.

It is not a de Polignac number, because 1100385897 - 2¹¹ = 1100383849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100383897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3429 + ... + 47037.

It is an arithmetic number, because the mean of its divisors is an integer number (98907480).

Almost surely, 2^1100385897 is an apocalyptic number.

It is an amenable number.

1100385897 is a deficient number, since it is larger than the sum of its proper divisors (482133783).

1100385897 is a wasteful number, since it uses less digits than its factorization.

1100385897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44272.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 1100385897 is about 33172.0650095830. The cubic root of 1100385897 is about 1032.4008146157.

The spelling of 1100385897 in words is "one billion, one hundred million, three hundred eighty-five thousand, eight hundred ninety-seven".