5142521352420 has 72 divisors (see below), whose sum is σ = 15616180367424. Its totient is φ = 1369827033408.

The previous prime is 5142521352403. The next prime is 5142521352443. The reversal of 5142521352420 is 242531252415.

5142521352420 is a `hidden beast` number, since 5 + 1 + 42 + 521 + 3 + 52 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15586224 + ... + 15912743.

It is an arithmetic number, because the mean of its divisors is an integer number (216891393992).

Almost surely, 2^{5142521352420} is an apocalyptic number.

It is an amenable number.

5142521352420 is an abundant number, since it is smaller than the sum of its proper divisors (10473659015004).

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

5142521352420 is a wasteful number, since it uses less digits than its factorization.

5142521352420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31499889 (or 31499884 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 5142521352420 in words is "five trillion, one hundred forty-two billion, five hundred twenty-one million, three hundred fifty-two thousand, four hundred twenty".