11401430291 has 2 divisors, whose sum is σ = 11401430292. Its totient is φ = 11401430290.

The previous prime is 11401430221. The next prime is 11401430297. The reversal of 11401430291 is 19203410411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11401430291 - 2¹⁰ = 11401429267 is a prime.

It is a super-2 number, since 2×11401430291² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11401430291.

It is not a weakly prime, because it can be changed into another prime (11401430297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700715145 + 5700715146.

It is an arithmetic number, because the mean of its divisors is an integer number (5700715146).

Almost surely, 2^11401430291 is an apocalyptic number.

11401430291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401430291 is an equidigital number, since it uses as much as digits as its factorization.

11401430291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 11401430291 in words is "eleven billion, four hundred one million, four hundred thirty thousand, two hundred ninety-one".