110572561 has 4 divisors (see below), whose sum is σ = 120624624. Its totient is φ = 100520500.

The previous prime is 110572541. The next prime is 110572577. The reversal of 110572561 is 165275011.

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: 165275011 = 11 ⋅15025001.

It is a cyclic number.

It is not a de Polignac number, because 110572561 - 2⁷ = 110572433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110572541) 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, 5026015 + ... + 5026036.

It is an arithmetic number, because the mean of its divisors is an integer number (30156156).

Almost surely, 2^110572561 is an apocalyptic number.

110572561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110572561 is a deficient number, since it is larger than the sum of its proper divisors (10052063).

110572561 is a wasteful number, since it uses less digits than its factorization.

110572561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052062.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 110572561 is about 10515.3488292115. The cubic root of 110572561 is about 479.9718747988.

The spelling of 110572561 in words is "one hundred ten million, five hundred seventy-two thousand, five hundred sixty-one".