11401430197 has 2 divisors, whose sum is σ = 11401430198. Its totient is φ = 11401430196.

The previous prime is 11401430141. The next prime is 11401430221. The reversal of 11401430197 is 79103410411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11156851876 + 244578321 = 105626^2 + 15639^2 .

It is a cyclic number.

It is not a de Polignac number, because 11401430197 - 2¹¹ = 11401428149 is a prime.

It is a super-2 number, since 2×11401430197² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11401430107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700715098 + 5700715099.

It is an arithmetic number, because the mean of its divisors is an integer number (5700715099).

Almost surely, 2^11401430197 is an apocalyptic number.

It is an amenable number.

11401430197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401430197 is an equidigital number, since it uses as much as digits as its factorization.

11401430197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 11401430197 in words is "eleven billion, four hundred one million, four hundred thirty thousand, one hundred ninety-seven".