11130245421 has 4 divisors (see below), whose sum is σ = 14840327232. Its totient is φ = 7420163612.

The previous prime is 11130245407. The next prime is 11130245447. The reversal of 11130245421 is 12454203111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11130245421 - 2¹⁷ = 11130114349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11130245391 and 11130245400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130205421) 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, 1855040901 + ... + 1855040906.

It is an arithmetic number, because the mean of its divisors is an integer number (3710081808).

Almost surely, 2^11130245421 is an apocalyptic number.

It is an amenable number.

11130245421 is a deficient number, since it is larger than the sum of its proper divisors (3710081811).

11130245421 is an equidigital number, since it uses as much as digits as its factorization.

11130245421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710081810.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11130245421 its reverse (12454203111), we get a palindrome (23584448532).

The spelling of 11130245421 in words is "eleven billion, one hundred thirty million, two hundred forty-five thousand, four hundred twenty-one".