11401397453 has 2 divisors, whose sum is σ = 11401397454. Its totient is φ = 11401397452.

The previous prime is 11401397443. The next prime is 11401397503. The reversal of 11401397453 is 35479310411.

It is a happy number.

11401397453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5984879044 + 5416518409 = 77362^2 + 73597^2 .

It is an emirp because it is prime and its reverse (35479310411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11401397453 - 2¹² = 11401393357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11401397443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700698726 + 5700698727.

It is an arithmetic number, because the mean of its divisors is an integer number (5700698727).

Almost surely, 2^11401397453 is an apocalyptic number.

It is an amenable number.

11401397453 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401397453 is an equidigital number, since it uses as much as digits as its factorization.

11401397453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 11401397453 in words is "eleven billion, four hundred one million, three hundred ninety-seven thousand, four hundred fifty-three".