1081056669320 has 16 divisors (see below), whose sum is σ = 2432377506060. Its totient is φ = 432422667712.

The previous prime is 1081056669299. The next prime is 1081056669331. The reversal of 1081056669320 is 239666501801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 985695523684 + 95361145636 = 992822^2 + 308806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13513208327 + ... + 13513208406.

Almost surely, 2^{1081056669320} is an apocalyptic number.

1081056669320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081056669320 is an abundant number, since it is smaller than the sum of its proper divisors (1351320836740).

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

1081056669320 is a wasteful number, since it uses less digits than its factorization.

1081056669320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27026416744 (or 27026416740 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 1081056669320 in words is "one trillion, eighty-one billion, fifty-six million, six hundred sixty-nine thousand, three hundred twenty".