5215251522442 has 8 divisors (see below), whose sum is σ = 8424637074756. Its totient is φ = 2407039164192.

The previous prime is 5215251522431. The next prime is 5215251522443. The reversal of 5215251522442 is 2442251525125.

It can be written as a sum of positive squares in 2 ways, for example, as 5155574406921 + 59677115521 = 2270589^2 + 244289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5215251522395 and 5215251522404.

It is not an unprimeable number, because it can be changed into a prime (5215251522443) 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, 100293298483 + ... + 100293298534.

Almost surely, 2^{5215251522442} is an apocalyptic number.

5215251522442 is a deficient number, since it is larger than the sum of its proper divisors (3209385552314).

5215251522442 is a wasteful number, since it uses less digits than its factorization.

5215251522442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200586597032.

The product of its digits is 320000, while the sum is 40.

The spelling of 5215251522442 in words is "five trillion, two hundred fifteen billion, two hundred fifty-one million, five hundred twenty-two thousand, four hundred forty-two".