11508298449 has 16 divisors (see below), whose sum is σ = 15501682560. Its totient is φ = 7593609600.

The previous prime is 11508298429. The next prime is 11508298457. The reversal of 11508298449 is 94489280511.

It is not a de Polignac number, because 11508298449 - 2⁹ = 11508297937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11508298409) 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 15 ways as a sum of consecutive naturals, for example, 1297572 + ... + 1306410.

It is an arithmetic number, because the mean of its divisors is an integer number (968855160).

Almost surely, 2^11508298449 is an apocalyptic number.

It is an amenable number.

11508298449 is a deficient number, since it is larger than the sum of its proper divisors (3993384111).

11508298449 is a wasteful number, since it uses less digits than its factorization.

11508298449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13240.

The product of its (nonzero) digits is 829440, while the sum is 51.

It can be divided in two parts, 115082 and 98449, that added together give a triangular number (213531 = T₆₅₃).

The spelling of 11508298449 in words is "eleven billion, five hundred eight million, two hundred ninety-eight thousand, four hundred forty-nine".