11290897321 has 6 divisors (see below), whose sum is σ = 12410655866. Its totient is φ = 10264452000.

The previous prime is 11290897313. The next prime is 11290897337. The reversal of 11290897321 is 12379809211.

It can be written as a sum of positive squares in only one way, i.e., 5694211600 + 5596685721 = 75460^2 + 74811^2 .

It is not a de Polignac number, because 11290897321 - 2³ = 11290897313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11290897351) 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 in 5 ways as a sum of consecutive naturals, for example, 46656480 + ... + 46656721.

Almost surely, 2^11290897321 is an apocalyptic number.

11290897321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11290897321 is a deficient number, since it is larger than the sum of its proper divisors (1119758545).

11290897321 is an equidigital number, since it uses as much as digits as its factorization.

11290897321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93313223 (or 93313212 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 11290897321 in words is "eleven billion, two hundred ninety million, eight hundred ninety-seven thousand, three hundred twenty-one".