3125533300000 has 144 divisors (see below), whose sum is σ = 8143680724200. Its totient is φ = 1176670720000.

The previous prime is 3125533299899. The next prime is 3125533300003. The reversal of 3125533300000 is 33355213.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2120623287696 + 1004910012304 = 1456236^2 + 1002452^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (3125533300003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780726 + ... + 2619274.

Almost surely, 2^{3125533300000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125533300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4071840362100).

3125533300000 is an abundant number, since it is smaller than the sum of its proper divisors (5018147424200).

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

3125533300000 is an equidigital number, since it uses as much as digits as its factorization.

3125533300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838601 (or 1838573 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

Adding to 3125533300000 its reverse (33355213), we get a palindrome (3125566655213).

The spelling of 3125533300000 in words is "three trillion, one hundred twenty-five billion, five hundred thirty-three million, three hundred thousand".