18029125125253 has 12 divisors (see below), whose sum is σ = 19961788191660. Its totient is φ = 16270477868480.

The previous prime is 18029125125203. The next prime is 18029125125257. The reversal of 18029125125253 is 35252152192081.

It can be written as a sum of positive squares in 2 ways, for example, as 10768590091809 + 7260535033444 = 3281553^2 + 2694538^2 .

It is a de Polignac number, because none of the positive numbers 2^k-18029125125253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18029125125257) 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, 543782818 + ... + 543815971.

It is an arithmetic number, because the mean of its divisors is an integer number (1663482349305).

Almost surely, 2^{18029125125253} is an apocalyptic number.

It is an amenable number.

18029125125253 is a deficient number, since it is larger than the sum of its proper divisors (1932663066407).

18029125125253 is a wasteful number, since it uses less digits than its factorization.

18029125125253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087598948 (or 1087598937 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The spelling of 18029125125253 in words is "eighteen trillion, twenty-nine billion, one hundred twenty-five million, one hundred twenty-five thousand, two hundred fifty-three".