15441194218001 has 2 divisors, whose sum is σ = 15441194218002. Its totient is φ = 15441194218000.

The previous prime is 15441194217997. The next prime is 15441194218003. The reversal of 15441194218001 is 10081249114451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14099454245776 + 1341739972225 = 3754924^2 + 1158335^2 .

It is a cyclic number.

It is not a de Polignac number, because 15441194218001 - 2² = 15441194217997 is a prime.

Together with 15441194218003, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15441194218001.

It is not a weakly prime, because it can be changed into another prime (15441194218003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7720597109000 + 7720597109001.

It is an arithmetic number, because the mean of its divisors is an integer number (7720597109001).

Almost surely, 2^{15441194218001} is an apocalyptic number.

It is an amenable number.

15441194218001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15441194218001 is an equidigital number, since it uses as much as digits as its factorization.

15441194218001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 15441194218001 in words is "fifteen trillion, four hundred forty-one billion, one hundred ninety-four million, two hundred eighteen thousand, one".