11896143547 has 2 divisors, whose sum is σ = 11896143548. Its totient is φ = 11896143546.

The previous prime is 11896143529. The next prime is 11896143551. The reversal of 11896143547 is 74534169811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11896143547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11896143547.

It is not a weakly prime, because it can be changed into another prime (11896143557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5948071773 + 5948071774.

It is an arithmetic number, because the mean of its divisors is an integer number (5948071774).

Almost surely, 2^11896143547 is an apocalyptic number.

11896143547 is a deficient number, since it is larger than the sum of its proper divisors (1).

11896143547 is an equidigital number, since it uses as much as digits as its factorization.

11896143547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The spelling of 11896143547 in words is "eleven billion, eight hundred ninety-six million, one hundred forty-three thousand, five hundred forty-seven".