11002530421 has 2 divisors, whose sum is σ = 11002530422. Its totient is φ = 11002530420.

The previous prime is 11002530397. The next prime is 11002530457. The reversal of 11002530421 is 12403520011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11001702321 + 828100 = 104889^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002530421 - 2¹³ = 11002522229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11002530821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501265210 + 5501265211.

It is an arithmetic number, because the mean of its divisors is an integer number (5501265211).

Almost surely, 2^11002530421 is an apocalyptic number.

It is an amenable number.

11002530421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002530421 is an equidigital number, since it uses as much as digits as its factorization.

11002530421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 11002530421 in words is "eleven billion, two million, five hundred thirty thousand, four hundred twenty-one".