1100053481 has 4 divisors (see below), whose sum is σ = 1115547264. Its totient is φ = 1084559700.

The previous prime is 1100053457. The next prime is 1100053511. The reversal of 1100053481 is 1843500011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1843500011 = 8419 ⋅218969.

It is a cyclic number.

It is not a de Polignac number, because 1100053481 - 2¹⁸ = 1099791337 is a prime.

It is a super-2 number, since 2×1100053481² = 2420235322120434722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100053421) 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, 7746785 + ... + 7746926.

It is an arithmetic number, because the mean of its divisors is an integer number (278886816).

Almost surely, 2^1100053481 is an apocalyptic number.

It is an amenable number.

1100053481 is a deficient number, since it is larger than the sum of its proper divisors (15493783).

1100053481 is an equidigital number, since it uses as much as digits as its factorization.

1100053481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493782.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1100053481 is about 33167.0541501653. The cubic root of 1100053481 is about 1032.2968446922.

Adding to 1100053481 its reverse (1843500011), we get a palindrome (2943553492).

The spelling of 1100053481 in words is "one billion, one hundred million, fifty-three thousand, four hundred eighty-one".