1187668804849 has 8 divisors (see below), whose sum is σ = 1199762826080. Its totient is φ = 1175625493056.

The previous prime is 1187668804813. The next prime is 1187668804853. The reversal of 1187668804849 is 9484088667811.

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 1187668804849 - 2⁹ = 1187668804337 is a prime.

It is a super-2 number, since 2×1187668804849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1187668804649) 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, 12630279 + ... + 12723964.

It is an arithmetic number, because the mean of its divisors is an integer number (149970353260).

Almost surely, 2^{1187668804849} is an apocalyptic number.

It is an amenable number.

1187668804849 is a deficient number, since it is larger than the sum of its proper divisors (12094021231).

1187668804849 is a wasteful number, since it uses less digits than its factorization.

1187668804849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25354719.

The product of its (nonzero) digits is 148635648, while the sum is 70.

The spelling of 1187668804849 in words is "one trillion, one hundred eighty-seven billion, six hundred sixty-eight million, eight hundred four thousand, eight hundred forty-nine".