11543671351 has 2 divisors, whose sum is σ = 11543671352. Its totient is φ = 11543671350.

The previous prime is 11543671327. The next prime is 11543671409. The reversal of 11543671351 is 15317634511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11543671351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11543671351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11543671301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771835675 + 5771835676.

It is an arithmetic number, because the mean of its divisors is an integer number (5771835676).

Almost surely, 2^11543671351 is an apocalyptic number.

11543671351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543671351 is an equidigital number, since it uses as much as digits as its factorization.

11543671351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The spelling of 11543671351 in words is "eleven billion, five hundred forty-three million, six hundred seventy-one thousand, three hundred fifty-one".