126365364018 has 24 divisors (see below), whose sum is σ = 276502434156. Its totient is φ = 41704740000.

The previous prime is 126365364017. The next prime is 126365364023. The reversal of 126365364018 is 810463563621.

126365364018 is a `hidden beast` number, since 1 + 2 + 63 + 6 + 536 + 40 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 124575820209 + 1789543809 = 352953^2 + 42303^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126365364017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34752133 + ... + 34755768.

Almost surely, 2^126365364018 is an apocalyptic number.

126365364018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126365364018 is an abundant number, since it is smaller than the sum of its proper divisors (150137070138).

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

126365364018 is a wasteful number, since it uses less digits than its factorization.

126365364018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69508010 (or 69508007 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 126365364018 in words is "one hundred twenty-six billion, three hundred sixty-five million, three hundred sixty-four thousand, eighteen".