11405852898487 has 2 divisors, whose sum is σ = 11405852898488. Its totient is φ = 11405852898486.

The previous prime is 11405852898403. The next prime is 11405852898493. The reversal of 11405852898487 is 78489825850411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11405852898487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11405852898787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702926449243 + 5702926449244.

It is an arithmetic number, because the mean of its divisors is an integer number (5702926449244).

Almost surely, 2^{11405852898487} is an apocalyptic number.

11405852898487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11405852898487 is an equidigital number, since it uses as much as digits as its factorization.

11405852898487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 206438400, while the sum is 70.

The spelling of 11405852898487 in words is "eleven trillion, four hundred five billion, eight hundred fifty-two million, eight hundred ninety-eight thousand, four hundred eighty-seven".