1002153420511 has 4 divisors (see below), whose sum is σ = 1054898337400. Its totient is φ = 949408503624.

The previous prime is 1002153420491. The next prime is 1002153420517. The reversal of 1002153420511 is 1150243512001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002153420511 - 2¹⁷ = 1002153289439 is a prime.

It is a super-2 number, since 2×1002153420511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002153420517) 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, 26372458416 + ... + 26372458453.

It is an arithmetic number, because the mean of its divisors is an integer number (263724584350).

Almost surely, 2^{1002153420511} is an apocalyptic number.

1002153420511 is a deficient number, since it is larger than the sum of its proper divisors (52744916889).

1002153420511 is an equidigital number, since it uses as much as digits as its factorization.

1002153420511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52744916888.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1002153420511 its reverse (1150243512001), we get a palindrome (2152396932512).

The spelling of 1002153420511 in words is "one trillion, two billion, one hundred fifty-three million, four hundred twenty thousand, five hundred eleven".