1100999152 has 80 divisors (see below), whose sum is σ = 2549167200. Its totient is φ = 454737920.

The previous prime is 1100999129. The next prime is 1100999183. The reversal of 1100999152 is 2519990011.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 80424 + ... + 93112.

It is an arithmetic number, because the mean of its divisors is an integer number (31864590).

Almost surely, 2^1100999152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100999152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274583600).

1100999152 is an abundant number, since it is smaller than the sum of its proper divisors (1448168048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100999152 is a wasteful number, since it uses less digits than its factorization.

1100999152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12754 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 37.

The square root of 1100999152 is about 33181.3072677976. The cubic root of 1100999152 is about 1032.5925677647.

The spelling of 1100999152 in words is "one billion, one hundred million, nine hundred ninety-nine thousand, one hundred fifty-two".