126600430011165 has 96 divisors (see below), whose sum is σ = 245922018840576. Its totient is φ = 59707963745280.

The previous prime is 126600430011113. The next prime is 126600430011199. The reversal of 126600430011165 is 561110034006621.

126600430011165 is a `hidden beast` number, since 1 + 2 + 6 + 60 + 0 + 430 + 0 + 1 + 1 + 165 = 666.

It is not a de Polignac number, because 126600430011165 - 2¹² = 126600430007069 is a prime.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 71784369 + ... + 73526841.

It is an arithmetic number, because the mean of its divisors is an integer number (2561687696256).

Almost surely, 2^{126600430011165} is an apocalyptic number.

126600430011165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126600430011165 is a deficient number, since it is larger than the sum of its proper divisors (119321588829411).

126600430011165 is a wasteful number, since it uses less digits than its factorization.

126600430011165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746499 (or 1746496 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 126600430011165 its reverse (561110034006621), we get a palindrome (687710464017786).

The spelling of 126600430011165 in words is "one hundred twenty-six trillion, six hundred billion, four hundred thirty million, eleven thousand, one hundred sixty-five".