228628515151 has 2 divisors, whose sum is σ = 228628515152. Its totient is φ = 228628515150.

The previous prime is 228628515131. The next prime is 228628515163. The reversal of 228628515151 is 151515826822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228628515151 - 2¹⁹ = 228627990863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228628515131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114314257575 + 114314257576.

It is an arithmetic number, because the mean of its divisors is an integer number (114314257576).

Almost surely, 2^228628515151 is an apocalyptic number.

228628515151 is a deficient number, since it is larger than the sum of its proper divisors (1).

228628515151 is an equidigital number, since it uses as much as digits as its factorization.

228628515151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384000, while the sum is 46.

The spelling of 228628515151 in words is "two hundred twenty-eight billion, six hundred twenty-eight million, five hundred fifteen thousand, one hundred fifty-one".