1100115552 has 24 divisors (see below), whose sum is σ = 2887803576. Its totient is φ = 366705152.

The previous prime is 1100115547. The next prime is 1100115559. The reversal of 1100115552 is 2555110011.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100115559) 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, 5729673 + ... + 5729864.

It is an arithmetic number, because the mean of its divisors is an integer number (120325149).

Almost surely, 2^1100115552 is an apocalyptic number.

1100115552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100115552 is an abundant number, since it is smaller than the sum of its proper divisors (1787688024).

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

1100115552 is a wasteful number, since it uses less digits than its factorization.

1100115552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459550 (or 11459542 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 1100115552 is about 33167.9898697524. The cubic root of 1100115552 is about 1032.3162602610.

Adding to 1100115552 its reverse (2555110011), we get a palindrome (3655225563).

The spelling of 1100115552 in words is "one billion, one hundred million, one hundred fifteen thousand, five hundred fifty-two".