1108386553 has 4 divisors (see below), whose sum is σ = 1173585780. Its totient is φ = 1043187328.

The previous prime is 1108386551. The next prime is 1108386563. The reversal of 1108386553 is 3556838011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3556838011 = 13499 ⋅263489.

It can be written as a sum of positive squares in 2 ways, for example, as 1029318889 + 79067664 = 32083^2 + 8892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108386553 - 2¹ = 1108386551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108386551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32599588 + ... + 32599621.

It is an arithmetic number, because the mean of its divisors is an integer number (293396445).

Almost surely, 2^1108386553 is an apocalyptic number.

It is an amenable number.

1108386553 is a deficient number, since it is larger than the sum of its proper divisors (65199227).

1108386553 is an equidigital number, since it uses as much as digits as its factorization.

1108386553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65199226.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1108386553 is about 33292.4398775458. The cubic root of 1108386553 is about 1034.8968921845.

The spelling of 1108386553 in words is "one billion, one hundred eight million, three hundred eighty-six thousand, five hundred fifty-three".