5144511345220 has 48 divisors (see below), whose sum is σ = 11712594322800. Its totient is φ = 1886763465216.

The previous prime is 5144511345163. The next prime is 5144511345223. The reversal of 5144511345220 is 225431154415.

It can be written as a sum of positive squares in 8 ways, for example, as 119444889664 + 5025066455556 = 345608^2 + 2241666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5144511345220.

It is not an unprimeable number, because it can be changed into a prime (5144511345223) 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, 66359187 + ... + 66436666.

It is an arithmetic number, because the mean of its divisors is an integer number (244012381725).

Almost surely, 2^{5144511345220} is an apocalyptic number.

It is an amenable number.

5144511345220 is an abundant number, since it is smaller than the sum of its proper divisors (6568082977580).

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

5144511345220 is a wasteful number, since it uses less digits than its factorization.

5144511345220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132796024 (or 132796022 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 5144511345220 its reverse (225431154415), we get a palindrome (5369942499635).

The spelling of 5144511345220 in words is "five trillion, one hundred forty-four billion, five hundred eleven million, three hundred forty-five thousand, two hundred twenty".