158615135226 has 48 divisors (see below), whose sum is σ = 361713896544. Its totient is φ = 52082571024.

The previous prime is 158615135201. The next prime is 158615135227. The reversal of 158615135226 is 622531516851.

158615135226 is a `hidden beast` number, since 1 + 5 + 8 + 61 + 513 + 52 + 26 = 666.

It is a super-2 number, since 2×158615135226² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158615135227) 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, 2403025 + ... + 2468148.

It is an arithmetic number, because the mean of its divisors is an integer number (7535706178).

Almost surely, 2^158615135226 is an apocalyptic number.

158615135226 is an abundant number, since it is smaller than the sum of its proper divisors (203098761318).

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

158615135226 is an equidigital number, since it uses as much as digits as its factorization.

158615135226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871257 (or 4871245 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The spelling of 158615135226 in words is "one hundred fifty-eight billion, six hundred fifteen million, one hundred thirty-five thousand, two hundred twenty-six".