1088855521 has 8 divisors (see below), whose sum is σ = 1173631424. Its totient is φ = 1004225040.

The previous prime is 1088855519. The next prime is 1088855543. The reversal of 1088855521 is 1255588801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1088855521 - 2¹ = 1088855519 is a prime.

It is a super-2 number, since 2×1088855521² = 2371212691224362882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1088855921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20541 + ... + 50986.

It is an arithmetic number, because the mean of its divisors is an integer number (146703928).

Almost surely, 2^1088855521 is an apocalyptic number.

It is an amenable number.

1088855521 is a deficient number, since it is larger than the sum of its proper divisors (84775903).

1088855521 is a wasteful number, since it uses less digits than its factorization.

1088855521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72711.

The product of its (nonzero) digits is 128000, while the sum is 43.

The square root of 1088855521 is about 32997.8108516307. The cubic root of 1088855521 is about 1028.7821471785.

The spelling of 1088855521 in words is "one billion, eighty-eight million, eight hundred fifty-five thousand, five hundred twenty-one".