225031011500 has 48 divisors (see below), whose sum is σ = 491544973920. Its totient is φ = 89998257600.

The previous prime is 225031011487. The next prime is 225031011503. The reversal of 225031011500 is 5110130522.

It is a happy number.

225031011500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225031011500² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (225031011503) 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 15 ways as a sum of consecutive naturals, for example, 3502667 + ... + 3566333.

It is an arithmetic number, because the mean of its divisors is an integer number (10240520290).

Almost surely, 2^225031011500 is an apocalyptic number.

225031011500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225031011500 is an abundant number, since it is smaller than the sum of its proper divisors (266513962420).

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

225031011500 is a wasteful number, since it uses less digits than its factorization.

225031011500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70755 (or 70743 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 225031011500 in words is "two hundred twenty-five billion, thirty-one million, eleven thousand, five hundred".