5228397158121 has 6 divisors (see below), whose sum is σ = 7552129228410. Its totient is φ = 3485598105408.

The previous prime is 5228397158113. The next prime is 5228397158123. The reversal of 5228397158121 is 1218517938225.

5228397158121 is a `hidden beast` number, since 5 + 2 + 2 + 8 + 39 + 7 + 1 + 581 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2624011214400 + 2604385943721 = 1619880^2 + 1613811^2 .

It is not a de Polignac number, because 5228397158121 - 2³ = 5228397158113 is a prime.

It is a super-2 number, since 2×5228397158121² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5228397158123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290466508776 + ... + 290466508793.

It is an arithmetic number, because the mean of its divisors is an integer number (1258688204735).

Almost surely, 2^{5228397158121} is an apocalyptic number.

It is an amenable number.

5228397158121 is a deficient number, since it is larger than the sum of its proper divisors (2323732070289).

5228397158121 is a wasteful number, since it uses less digits than its factorization.

5228397158121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580933017575 (or 580933017572 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The spelling of 5228397158121 in words is "five trillion, two hundred twenty-eight billion, three hundred ninety-seven million, one hundred fifty-eight thousand, one hundred twenty-one".