1001434411801 has 2 divisors, whose sum is σ = 1001434411802. Its totient is φ = 1001434411800.

The previous prime is 1001434411787. The next prime is 1001434411807. The reversal of 1001434411801 is 1081144341001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 889560217225 + 111874194576 = 943165^2 + 334476^2 .

It is an emirp because it is prime and its reverse (1081144341001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001434411801 - 2¹⁷ = 1001434280729 is a prime.

It is a super-2 number, since 2×1001434411801² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001434411801.

It is not a weakly prime, because it can be changed into another prime (1001434411807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500717205900 + 500717205901.

It is an arithmetic number, because the mean of its divisors is an integer number (500717205901).

Almost surely, 2^{1001434411801} is an apocalyptic number.

It is an amenable number.

1001434411801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001434411801 is an equidigital number, since it uses as much as digits as its factorization.

1001434411801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 1001434411801 its reverse (1081144341001), we get a palindrome (2082578752802).

The spelling of 1001434411801 in words is "one trillion, one billion, four hundred thirty-four million, four hundred eleven thousand, eight hundred one".