1099104552 has 448 divisors, whose sum is σ = 4039728000. Its totient is φ = 272097792.

The previous prime is 1099104551. The next prime is 1099104563. The reversal of 1099104552 is 2554019901.

1099104552 is a `hidden beast` number, since 1 + 0 + 99 + 10 + 4 + 552 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1099104551) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 10083474 + ... + 10083582.

It is an arithmetic number, because the mean of its divisors is an integer number (9017250).

Almost surely, 2^1099104552 is an apocalyptic number.

1099104552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099104552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019864000).

1099104552 is an abundant number, since it is smaller than the sum of its proper divisors (2940623448).

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

1099104552 is a wasteful number, since it uses less digits than its factorization.

1099104552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 1099104552 is about 33152.7457686388. The cubic root of 1099104552 is about 1031.9999323959. Note that the first 4 decimals are identical.

The spelling of 1099104552 in words is "one billion, ninety-nine million, one hundred four thousand, five hundred fifty-two".