11401421344 has 12 divisors (see below), whose sum is σ = 22446548334. Its totient is φ = 5700710656.

The previous prime is 11401421279. The next prime is 11401421347. The reversal of 11401421344 is 44312410411.

It can be written as a sum of positive squares in only one way, i.e., 5956752400 + 5444668944 = 77180^2 + 73788^2 .

It is not an unprimeable number, because it can be changed into a prime (11401421347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178147177 + ... + 178147240.

Almost surely, 2^11401421344 is an apocalyptic number.

It is an amenable number.

11401421344 is a deficient number, since it is larger than the sum of its proper divisors (11045126990).

11401421344 is an equidigital number, since it uses as much as digits as its factorization.

11401421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356294427 (or 356294419 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11401421344 its reverse (44312410411), we get a palindrome (55713831755).

The spelling of 11401421344 in words is "eleven billion, four hundred one million, four hundred twenty-one thousand, three hundred forty-four".