11401331371 has 2 divisors, whose sum is σ = 11401331372. Its totient is φ = 11401331370.

The previous prime is 11401331351. The next prime is 11401331467. The reversal of 11401331371 is 17313310411.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (17313310411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11401331371 - 2¹⁹ = 11400807083 is a prime.

It is not a weakly prime, because it can be changed into another prime (11401331341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700665685 + 5700665686.

It is an arithmetic number, because the mean of its divisors is an integer number (5700665686).

Almost surely, 2^11401331371 is an apocalyptic number.

11401331371 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401331371 is an equidigital number, since it uses as much as digits as its factorization.

11401331371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 11401331371 its reverse (17313310411), we get a palindrome (28714641782).

The spelling of 11401331371 in words is "eleven billion, four hundred one million, three hundred thirty-one thousand, three hundred seventy-one".