115235054220 has 144 divisors (see below), whose sum is σ = 381938951520. Its totient is φ = 25786844160.

The previous prime is 115235054219. The next prime is 115235054257. The reversal of 115235054220 is 22450532511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 516105 + ... + 704864.

It is an arithmetic number, because the mean of its divisors is an integer number (2652353830).

Almost surely, 2^115235054220 is an apocalyptic number.

115235054220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115235054220 is an abundant number, since it is smaller than the sum of its proper divisors (266703897300).

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

115235054220 is a wasteful number, since it uses less digits than its factorization.

115235054220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221016 (or 1221003 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 115235054220 its reverse (22450532511), we get a palindrome (137685586731).

The spelling of 115235054220 in words is "one hundred fifteen billion, two hundred thirty-five million, fifty-four thousand, two hundred twenty".