1018418525253 has 10 divisors (see below), whose sum is σ = 1521341253894. Its totient is φ = 678945683448.

The previous prime is 1018418525219. The next prime is 1018418525263. The reversal of 1018418525253 is 3525258148101.

It is a happy number.

1018418525253 is a `hidden beast` number, since 1 + 0 + 1 + 8 + 41 + 85 + 2 + 525 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 983988609444 + 34429915809 = 991962^2 + 185553^2 .

It is not a de Polignac number, because 1018418525253 - 2¹⁶ = 1018418459717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1018418525199 and 1018418525208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018418525263) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6286534026 + ... + 6286534187.

Almost surely, 2^{1018418525253} is an apocalyptic number.

It is an amenable number.

1018418525253 is a deficient number, since it is larger than the sum of its proper divisors (502922728641).

1018418525253 is an equidigital number, since it uses as much as digits as its factorization.

1018418525253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12573068225 (or 12573068216 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 1018418525253 in words is "one trillion, eighteen billion, four hundred eighteen million, five hundred twenty-five thousand, two hundred fifty-three".