1141320056 has 64 divisors (see below), whose sum is σ = 2347488000. Its totient is φ = 518676480.

The previous prime is 1141320049. The next prime is 1141320079. The reversal of 1141320056 is 6500231411.

It is a super-2 number, since 2×1141320056² = 2605222940455686272, which contains 22 as substring.

It is a congruent number.

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, 263960 + ... + 268248.

It is an arithmetic number, because the mean of its divisors is an integer number (36679500).

Almost surely, 2^1141320056 is an apocalyptic number.

It is an amenable number.

1141320056 is an abundant number, since it is smaller than the sum of its proper divisors (1206167944).

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

1141320056 is a wasteful number, since it uses less digits than its factorization.

1141320056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392 (or 4388 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1141320056 is about 33783.4287188260. The cubic root of 1141320056 is about 1045.0469842965.

Adding to 1141320056 its reverse (6500231411), we get a palindrome (7641551467).

The spelling of 1141320056 in words is "one billion, one hundred forty-one million, three hundred twenty thousand, fifty-six".