5321520514340 has 12 divisors (see below), whose sum is σ = 11175193080156. Its totient is φ = 2128608205728.

The previous prime is 5321520514337. The next prime is 5321520514391. The reversal of 5321520514340 is 434150251235.

It can be written as a sum of positive squares in 2 ways, for example, as 1210334423104 + 4111186091236 = 1100152^2 + 2027606^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5321520514340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133038012839 + ... + 133038012878.

It is an arithmetic number, because the mean of its divisors is an integer number (931266090013).

Almost surely, 2^{5321520514340} is an apocalyptic number.

It is an amenable number.

5321520514340 is an abundant number, since it is smaller than the sum of its proper divisors (5853672565816).

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

5321520514340 is a wasteful number, since it uses less digits than its factorization.

5321520514340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266076025726 (or 266076025724 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 5321520514340 its reverse (434150251235), we get a palindrome (5755670765575).

The spelling of 5321520514340 in words is "five trillion, three hundred twenty-one billion, five hundred twenty million, five hundred fourteen thousand, three hundred forty".