115225532020 has 48 divisors (see below), whose sum is σ = 256262848128. Its totient is φ = 43428274560.

The previous prime is 115225531987. The next prime is 115225532029. The reversal of 115225532020 is 20235522511.

It is a self number, because there is not a number n which added to its sum of digits gives 115225532020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115225532029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1838511 + ... + 1900150.

It is an arithmetic number, because the mean of its divisors is an integer number (5338809336).

Almost surely, 2^115225532020 is an apocalyptic number.

115225532020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115225532020 is an abundant number, since it is smaller than the sum of its proper divisors (141037316108).

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

115225532020 is a wasteful number, since it uses less digits than its factorization.

115225532020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738760 (or 3738758 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 115225532020 in words is "one hundred fifteen billion, two hundred twenty-five million, five hundred thirty-two thousand, twenty".