1080432778115 has 16 divisors (see below), whose sum is σ = 1331669449440. Its totient is φ = 840916638720.

The previous prime is 1080432778109. The next prime is 1080432778133. The reversal of 1080432778115 is 5118772340801.

It is not a de Polignac number, because 1080432778115 - 2¹² = 1080432774019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1080432778115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086835 + ... + 2552595.

It is an arithmetic number, because the mean of its divisors is an integer number (83229340590).

Almost surely, 2^{1080432778115} is an apocalyptic number.

1080432778115 is a deficient number, since it is larger than the sum of its proper divisors (251236671325).

1080432778115 is a wasteful number, since it uses less digits than its factorization.

1080432778115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478342.

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 1080432778115 in words is "one trillion, eighty billion, four hundred thirty-two million, seven hundred seventy-eight thousand, one hundred fifteen".