225142013550 has 24 divisors (see below), whose sum is σ = 558352193976. Its totient is φ = 60037870240.

The previous prime is 225142013549. The next prime is 225142013581. The reversal of 225142013550 is 55310241522.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750473229 + ... + 750473528.

It is an arithmetic number, because the mean of its divisors is an integer number (23264674749).

Almost surely, 2^225142013550 is an apocalyptic number.

225142013550 is an abundant number, since it is smaller than the sum of its proper divisors (333210180426).

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

225142013550 is a wasteful number, since it uses less digits than its factorization.

225142013550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500946772 (or 1500946767 counting only the distinct ones).

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

The spelling of 225142013550 in words is "two hundred twenty-five billion, one hundred forty-two million, thirteen thousand, five hundred fifty".