11487017349 has 10 divisors (see below), whose sum is σ = 17159618630. Its totient is φ = 7658011512.

The previous prime is 11487017341. The next prime is 11487017389. The reversal of 11487017349 is 94371078411.

It can be written as a sum of positive squares in only one way, i.e., 10619302500 + 867714849 = 103050^2 + 29457^2 .

It is not a de Polignac number, because 11487017349 - 2³ = 11487017341 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 (11487017341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70907434 + ... + 70907595.

It is an arithmetic number, because the mean of its divisors is an integer number (1715961863).

Almost surely, 2^11487017349 is an apocalyptic number.

It is an amenable number.

11487017349 is a deficient number, since it is larger than the sum of its proper divisors (5672601281).

11487017349 is an equidigital number, since it uses as much as digits as its factorization.

11487017349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141815041 (or 141815032 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 11487017349 in words is "eleven billion, four hundred eighty-seven million, seventeen thousand, three hundred forty-nine".