1086936521549 has 4 divisors (see below), whose sum is σ = 1086972416064. Its totient is φ = 1086900627036.

The previous prime is 1086936521501. The next prime is 1086936521557. The reversal of 1086936521549 is 9451256396801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1086936521549 - 2¹² = 1086936517453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086936521149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17901797 + ... + 17962410.

It is an arithmetic number, because the mean of its divisors is an integer number (271743104016).

Almost surely, 2^{1086936521549} is an apocalyptic number.

It is an amenable number.

1086936521549 is a deficient number, since it is larger than the sum of its proper divisors (35894515).

1086936521549 is an equidigital number, since it uses as much as digits as its factorization.

1086936521549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35894514.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 1086936521549 in words is "one trillion, eighty-six billion, nine hundred thirty-six million, five hundred twenty-one thousand, five hundred forty-nine".