1101055144 has 16 divisors (see below), whose sum is σ = 2359404000. Its totient is φ = 471880752.

The previous prime is 1101055121. The next prime is 1101055169. The reversal of 1101055144 is 4415501011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9830794 + ... + 9830905.

It is an arithmetic number, because the mean of its divisors is an integer number (147462750).

Almost surely, 2^1101055144 is an apocalyptic number.

1101055144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1101055144 is an abundant number, since it is smaller than the sum of its proper divisors (1258348856).

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

1101055144 is a wasteful number, since it uses less digits than its factorization.

1101055144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19661712 (or 19661708 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1101055144 is about 33182.1509851305. The cubic root of 1101055144 is about 1032.6100718481.

Adding to 1101055144 its reverse (4415501011), we get a palindrome (5516556155).

The spelling of 1101055144 in words is "one billion, one hundred one million, fifty-five thousand, one hundred forty-four".