11601275449 has 8 divisors (see below), whose sum is σ = 12145916160. Its totient is φ = 11066274576.

The previous prime is 11601275443. The next prime is 11601275453. The reversal of 11601275449 is 94457210611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11601275449 - 2¹³ = 11601267257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11601275443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407497 + ... + 2412310.

It is an arithmetic number, because the mean of its divisors is an integer number (1518239520).

Almost surely, 2^11601275449 is an apocalyptic number.

It is an amenable number.

11601275449 is a deficient number, since it is larger than the sum of its proper divisors (544640711).

11601275449 is an equidigital number, since it uses as much as digits as its factorization.

11601275449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819919.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 11601275449 in words is "eleven billion, six hundred one million, two hundred seventy-five thousand, four hundred forty-nine".