110420255520 has 144 divisors (see below), whose sum is σ = 381971254392. Its totient is φ = 29042012160.

The previous prime is 110420255489. The next prime is 110420255527. The reversal of 110420255520 is 25552024011.

110420255520 is a `hidden beast` number, since 1 + 104 + 2 + 0 + 2 + 5 + 552 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 79476631056 + 30943624464 = 281916^2 + 175908^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (110420255527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420091 + ... + 630330.

Almost surely, 2^110420255520 is an apocalyptic number.

110420255520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110420255520 is an abundant number, since it is smaller than the sum of its proper divisors (271550998872).

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

110420255520 is a wasteful number, since it uses less digits than its factorization.

110420255520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050515 (or 1050504 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 110420255520 its reverse (25552024011), we get a palindrome (135972279531).

It can be divided in two parts, 110420 and 255520, that added together give a triangular number (365940 = T₈₅₅).

The spelling of 110420255520 in words is "one hundred ten billion, four hundred twenty million, two hundred fifty-five thousand, five hundred twenty".