18277335040001 has 4 divisors (see below), whose sum is σ = 18465761174532. Its totient is φ = 18088908905472.

The previous prime is 18277335039983. The next prime is 18277335040007. The reversal of 18277335040001 is 10004053377281.

It is a Cunningham number, because it is equal to 4275200²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8207216550976 + 10070118489025 = 2864824^2 + 3173345^2 .

It is a cyclic number.

It is not a de Polignac number, because 18277335040001 - 2³⁰ = 18276261298177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18277335040007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94213067120 + ... + 94213067313.

It is an arithmetic number, because the mean of its divisors is an integer number (4616440293633).

Almost surely, 2^{18277335040001} is an apocalyptic number.

It is an amenable number.

18277335040001 is a deficient number, since it is larger than the sum of its proper divisors (188426134531).

18277335040001 is an equidigital number, since it uses as much as digits as its factorization.

18277335040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188426134530.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 18277335040001 in words is "eighteen trillion, two hundred seventy-seven billion, three hundred thirty-five million, forty thousand, one".