1081552853 has 4 divisors (see below), whose sum is σ = 1083869280. Its totient is φ = 1079236428.

The previous prime is 1081552837. The next prime is 1081552891. The reversal of 1081552853 is 3582551801.

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 1081552853 - 2⁴ = 1081552837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081552553) 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, 1157513 + ... + 1158446.

It is an arithmetic number, because the mean of its divisors is an integer number (270967320).

Almost surely, 2^1081552853 is an apocalyptic number.

It is an amenable number.

1081552853 is a deficient number, since it is larger than the sum of its proper divisors (2316427).

1081552853 is an equidigital number, since it uses as much as digits as its factorization.

1081552853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316426.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 1081552853 is about 32886.9708699357. The cubic root of 1081552853 is about 1026.4770623864.

The spelling of 1081552853 in words is "one billion, eighty-one million, five hundred fifty-two thousand, eight hundred fifty-three".