11810535587 has 2 divisors, whose sum is σ = 11810535588. Its totient is φ = 11810535586.

The previous prime is 11810535509. The next prime is 11810535601. The reversal of 11810535587 is 78553501811.

It is a strong prime.

It is an emirp because it is prime and its reverse (78553501811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11810535587 - 2¹⁰ = 11810534563 is a prime.

It is not a weakly prime, because it can be changed into another prime (11810535287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905267793 + 5905267794.

It is an arithmetic number, because the mean of its divisors is an integer number (5905267794).

Almost surely, 2^11810535587 is an apocalyptic number.

11810535587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11810535587 is an equidigital number, since it uses as much as digits as its factorization.

11810535587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 44.

The spelling of 11810535587 in words is "eleven billion, eight hundred ten million, five hundred thirty-five thousand, five hundred eighty-seven".