228053131578055 has 24 divisors (see below), whose sum is σ = 330085925645472. Its totient is φ = 148148801257536.

The previous prime is 228053131578053. The next prime is 228053131578061. The reversal of 228053131578055 is 550875131350822.

It is not a de Polignac number, because 228053131578055 - 2¹ = 228053131578053 is a prime.

It is a super-2 number, since 2×228053131578055² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228053131577987 and 228053131578005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228053131578053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9024646312 + ... + 9024671581.

It is an arithmetic number, because the mean of its divisors is an integer number (13753580235228).

Almost surely, 2^{228053131578055} is an apocalyptic number.

228053131578055 is a deficient number, since it is larger than the sum of its proper divisors (102032794067417).

228053131578055 is a wasteful number, since it uses less digits than its factorization.

228053131578055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18049317943 (or 18049317924 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 55.

The spelling of 228053131578055 in words is "two hundred twenty-eight trillion, fifty-three billion, one hundred thirty-one million, five hundred seventy-eight thousand, fifty-five".