5245054051240 has 16 divisors (see below), whose sum is σ = 11801371615380. Its totient is φ = 2098021620480.

The previous prime is 5245054051217. The next prime is 5245054051249. The reversal of 5245054051240 is 421504505425.

It can be written as a sum of positive squares in 2 ways, for example, as 4985869204836 + 259184846404 = 2232906^2 + 509102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5245054051240.

It is not an unprimeable number, because it can be changed into a prime (5245054051249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65563175601 + ... + 65563175680.

Almost surely, 2^{5245054051240} is an apocalyptic number.

It is an amenable number.

5245054051240 is an abundant number, since it is smaller than the sum of its proper divisors (6556317564140).

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

5245054051240 is a wasteful number, since it uses less digits than its factorization.

5245054051240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131126351292 (or 131126351288 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 5245054051240 its reverse (421504505425), we get a palindrome (5666558556665).

The spelling of 5245054051240 in words is "five trillion, two hundred forty-five billion, fifty-four million, fifty-one thousand, two hundred forty".