11424421001 has 12 divisors (see below), whose sum is σ = 13293427140. Its totient is φ = 9789564960.

The previous prime is 11424420949. The next prime is 11424421007. The reversal of 11424421001 is 10012442411.

It can be written as a sum of positive squares in 2 ways, for example, as 7878337600 + 3546083401 = 88760^2 + 59549^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11424421001 is a prime.

It is a super-3 number, since 3×11424421001³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11424421007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150311 + ... + 213171.

It is an arithmetic number, because the mean of its divisors is an integer number (1107785595).

Almost surely, 2^11424421001 is an apocalyptic number.

It is an amenable number.

11424421001 is a deficient number, since it is larger than the sum of its proper divisors (1869006139).

11424421001 is an equidigital number, since it uses as much as digits as its factorization.

11424421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66584 (or 66577 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11424421001 its reverse (10012442411), we get a palindrome (21436863412).

The spelling of 11424421001 in words is "eleven billion, four hundred twenty-four million, four hundred twenty-one thousand, one".