110770611561 has 32 divisors (see below), whose sum is σ = 165129440000. Its totient is φ = 73386808704.

The previous prime is 110770611533. The next prime is 110770611599. The reversal of 110770611561 is 165116077011.

110770611561 is a `hidden beast` number, since 1 + 10 + 7 + 70 + 6 + 11 + 561 = 666.

It is not a de Polignac number, because 110770611561 - 2¹⁰ = 110770610537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110770621561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4571085 + ... + 4595253.

It is an arithmetic number, because the mean of its divisors is an integer number (5160295000).

Almost surely, 2^110770611561 is an apocalyptic number.

It is an amenable number.

110770611561 is a deficient number, since it is larger than the sum of its proper divisors (54358828439).

110770611561 is a wasteful number, since it uses less digits than its factorization.

110770611561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25230 (or 25224 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 36.

Adding to 110770611561 its reverse (165116077011), we get a palindrome (275886688572).

The spelling of 110770611561 in words is "one hundred ten billion, seven hundred seventy million, six hundred eleven thousand, five hundred sixty-one".