1002153420517 has 2 divisors, whose sum is σ = 1002153420518. Its totient is φ = 1002153420516.

The previous prime is 1002153420491. The next prime is 1002153420601. The reversal of 1002153420517 is 7150243512001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 684208554561 + 317944865956 = 827169^2 + 563866^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002153420517 - 2³⁹ = 452397606629 is a prime.

It is a super-2 number, since 2×1002153420517² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002153420217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501076710258 + 501076710259.

It is an arithmetic number, because the mean of its divisors is an integer number (501076710259).

Almost surely, 2^{1002153420517} is an apocalyptic number.

It is an amenable number.

1002153420517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002153420517 is an equidigital number, since it uses as much as digits as its factorization.

1002153420517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 1002153420517 its reverse (7150243512001), we get a palindrome (8152396932518).

The spelling of 1002153420517 in words is "one trillion, two billion, one hundred fifty-three million, four hundred twenty thousand, five hundred seventeen".