136612551225 has 192 divisors, whose sum is σ = 259033420800. Its totient is φ = 63100477440.

The previous prime is 136612551199. The next prime is 136612551253. The reversal of 136612551225 is 522155216631.

It is not a de Polignac number, because 136612551225 - 2⁹ = 136612550713 is a prime.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 326044066 + ... + 326044484.

It is an arithmetic number, because the mean of its divisors is an integer number (1349132400).

Almost surely, 2^136612551225 is an apocalyptic number.

136612551225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136612551225 is a deficient number, since it is larger than the sum of its proper divisors (122420869575).

136612551225 is a wasteful number, since it uses less digits than its factorization.

136612551225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 819 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

Adding to 136612551225 its reverse (522155216631), we get a palindrome (658767767856).

The spelling of 136612551225 in words is "one hundred thirty-six billion, six hundred twelve million, five hundred fifty-one thousand, two hundred twenty-five".