1080432778161 has 16 divisors (see below), whose sum is σ = 1572904009728. Its totient is φ = 654238818000.

The previous prime is 1080432778133. The next prime is 1080432778231. The reversal of 1080432778161 is 1618772340801.

It is not a de Polignac number, because 1080432778161 - 2⁹ = 1080432777649 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080432778161.

It is not an unprimeable number, because it can be changed into a prime (1080432778361) 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, 14184601 + ... + 14260566.

It is an arithmetic number, because the mean of its divisors is an integer number (98306500608).

Almost surely, 2^{1080432778161} is an apocalyptic number.

1080432778161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1080432778161 is a deficient number, since it is larger than the sum of its proper divisors (492471231567).

1080432778161 is a wasteful number, since it uses less digits than its factorization.

1080432778161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28446332.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 1080432778161 in words is "one trillion, eighty billion, four hundred thirty-two million, seven hundred seventy-eight thousand, one hundred sixty-one".