5121370215798 has 16 divisors (see below), whose sum is σ = 10492563369456. Its totient is φ = 1665486248960.

The previous prime is 5121370215739. The next prime is 5121370215799. The reversal of 5121370215798 is 8975120731215.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5121370215798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121370215799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10409288811 + ... + 10409289302.

It is an arithmetic number, because the mean of its divisors is an integer number (655785210591).

Almost surely, 2^{5121370215798} is an apocalyptic number.

5121370215798 is an abundant number, since it is smaller than the sum of its proper divisors (5371193153658).

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

5121370215798 is a wasteful number, since it uses less digits than its factorization.

5121370215798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20818578159.

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 5121370215798 in words is "five trillion, one hundred twenty-one billion, three hundred seventy million, two hundred fifteen thousand, seven hundred ninety-eight".