1189368906977 has 16 divisors (see below), whose sum is σ = 1278260419392. Its totient is φ = 1102584046080.

The previous prime is 1189368906967. The next prime is 1189368906983. The reversal of 1189368906977 is 7796098639811.

It is a cyclic number.

It is not a de Polignac number, because 1189368906977 - 2⁸ = 1189368906721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1189368906917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12128213 + ... + 12225885.

It is an arithmetic number, because the mean of its divisors is an integer number (79891276212).

Almost surely, 2^{1189368906977} is an apocalyptic number.

1189368906977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1189368906977 is a deficient number, since it is larger than the sum of its proper divisors (88891512415).

1189368906977 is a wasteful number, since it uses less digits than its factorization.

1189368906977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108448.

The product of its (nonzero) digits is 246903552, while the sum is 74.

The spelling of 1189368906977 in words is "one trillion, one hundred eighty-nine billion, three hundred sixty-eight million, nine hundred six thousand, nine hundred seventy-seven".