14211551197 has 2 divisors, whose sum is σ = 14211551198. Its totient is φ = 14211551196.

The previous prime is 14211551171. The next prime is 14211551231. The reversal of 14211551197 is 79115511241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13959186201 + 252364996 = 118149^2 + 15886^2 .

It is a cyclic number.

It is not a de Polignac number, because 14211551197 - 2¹⁵ = 14211518429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14211551147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7105775598 + 7105775599.

It is an arithmetic number, because the mean of its divisors is an integer number (7105775599).

Almost surely, 2^14211551197 is an apocalyptic number.

It is an amenable number.

14211551197 is a deficient number, since it is larger than the sum of its proper divisors (1).

14211551197 is an equidigital number, since it uses as much as digits as its factorization.

14211551197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 37.

The spelling of 14211551197 in words is "fourteen billion, two hundred eleven million, five hundred fifty-one thousand, one hundred ninety-seven".