18004029311504 has 10 divisors (see below), whose sum is σ = 34882806791070. Its totient is φ = 9002014655744.

The previous prime is 18004029311479. The next prime is 18004029311519. The reversal of 18004029311504 is 40511392040081.

It can be written as a sum of positive squares in only one way, i.e., 16948437455104 + 1055591856400 = 4116848^2 + 1027420^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562625915969 + ... + 562625916000.

It is an arithmetic number, because the mean of its divisors is an integer number (3488280679107).

Almost surely, 2^{18004029311504} is an apocalyptic number.

It is an amenable number.

18004029311504 is a deficient number, since it is larger than the sum of its proper divisors (16878777479566).

18004029311504 is a wasteful number, since it uses less digits than its factorization.

18004029311504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125251831977 (or 1125251831971 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 18004029311504 in words is "eighteen trillion, four billion, twenty-nine million, three hundred eleven thousand, five hundred four".