1078199435215 has 32 divisors (see below), whose sum is σ = 1497682456704. Its totient is φ = 729870704640.

The previous prime is 1078199435207. The next prime is 1078199435231. The reversal of 1078199435215 is 5125349918701.

It is not a de Polignac number, because 1078199435215 - 2³ = 1078199435207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947835 + ... + 1747795.

It is an arithmetic number, because the mean of its divisors is an integer number (46802576772).

Almost surely, 2^{1078199435215} is an apocalyptic number.

1078199435215 is a deficient number, since it is larger than the sum of its proper divisors (419483021489).

1078199435215 is an equidigital number, since it uses as much as digits as its factorization.

1078199435215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800467.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 1078199435215 in words is "one trillion, seventy-eight billion, one hundred ninety-nine million, four hundred thirty-five thousand, two hundred fifteen".