11037004421 has 2 divisors, whose sum is σ = 11037004422. Its totient is φ = 11037004420.

The previous prime is 11037004417. The next prime is 11037004423. The reversal of 11037004421 is 12440073011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8288099521 + 2748904900 = 91039^2 + 52430^2 .

It is a cyclic number.

It is not a de Polignac number, because 11037004421 - 2² = 11037004417 is a prime.

Together with 11037004423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11037004423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5518502210 + 5518502211.

It is an arithmetic number, because the mean of its divisors is an integer number (5518502211).

Almost surely, 2^11037004421 is an apocalyptic number.

It is an amenable number.

11037004421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11037004421 is an equidigital number, since it uses as much as digits as its factorization.

11037004421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 11037004421 its reverse (12440073011), we get a palindrome (23477077432).

The spelling of 11037004421 in words is "eleven billion, thirty-seven million, four thousand, four hundred twenty-one".