4512125550 has 96 divisors (see below), whose sum is σ = 11866463712. Its totient is φ = 1130721280.

The previous prime is 4512125549. The next prime is 4512125557. The reversal of 4512125550 is 555212154.

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 not an unprimeable number, because it can be changed into a prime (4512125557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2796544 + ... + 2798156.

It is an arithmetic number, because the mean of its divisors is an integer number (123608997).

Almost surely, 2^4512125550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512125550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5933231856).

4512125550 is an abundant number, since it is smaller than the sum of its proper divisors (7354338162).

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

4512125550 is a wasteful number, since it uses less digits than its factorization.

4512125550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 4512125550 is about 67172.3570376982. The cubic root of 4512125550 is about 1652.4451717172.

The spelling of 4512125550 in words is "four billion, five hundred twelve million, one hundred twenty-five thousand, five hundred fifty".