1081081047378 has 16 divisors (see below), whose sum is σ = 2162437028640. Its totient is φ = 360314526816.

The previous prime is 1081081047341. The next prime is 1081081047391. The reversal of 1081081047378 is 8737401801801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11404443 + ... + 11498846.

It is an arithmetic number, because the mean of its divisors is an integer number (135152314290).

Almost surely, 2^{1081081047378} is an apocalyptic number.

1081081047378 is an abundant number, since it is smaller than the sum of its proper divisors (1081355981262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081081047378 is a wasteful number, since it uses less digits than its factorization.

1081081047378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22911161.

The product of its (nonzero) digits is 301056, while the sum is 48.

The spelling of 1081081047378 in words is "one trillion, eighty-one billion, eighty-one million, forty-seven thousand, three hundred seventy-eight".