1110145521 has 8 divisors (see below), whose sum is σ = 1520199424. Its totient is φ = 720094320.

The previous prime is 1110145459. The next prime is 1110145541. The reversal of 1110145521 is 1255410111.

1110145521 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1110145521 - 2¹¹ = 1110143473 is a prime.

It is a super-2 number, since 2×1110145521² = 2464846155592722882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110145541) 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, 5000545 + ... + 5000766.

It is an arithmetic number, because the mean of its divisors is an integer number (190024928).

Almost surely, 2^1110145521 is an apocalyptic number.

It is an amenable number.

1110145521 is a deficient number, since it is larger than the sum of its proper divisors (410053903).

1110145521 is a wasteful number, since it uses less digits than its factorization.

1110145521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001351.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1110145521 is about 33318.8463335692. The cubic root of 1110145521 is about 1035.4440503991. Note that the first 3 decimals are identical.

Adding to 1110145521 its reverse (1255410111), we get a palindrome (2365555632).

The spelling of 1110145521 in words is "one billion, one hundred ten million, one hundred forty-five thousand, five hundred twenty-one".