11143462597 has 2 divisors, whose sum is σ = 11143462598. Its totient is φ = 11143462596.

The previous prime is 11143462433. The next prime is 11143462601. The reversal of 11143462597 is 79526434111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9606744196 + 1536718401 = 98014^2 + 39201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11143462597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11143462097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571731298 + 5571731299.

It is an arithmetic number, because the mean of its divisors is an integer number (5571731299).

Almost surely, 2^11143462597 is an apocalyptic number.

It is an amenable number.

11143462597 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143462597 is an equidigital number, since it uses as much as digits as its factorization.

11143462597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The spelling of 11143462597 in words is "eleven billion, one hundred forty-three million, four hundred sixty-two thousand, five hundred ninety-seven".