1141355520 has 528 divisors, whose sum is σ = 4414445568. Its totient is φ = 271319040.

The previous prime is 1141355513. The next prime is 1141355561. The reversal of 1141355520 is 255531411.

1141355520 is a `hidden beast` number, since 1 + 1 + 4 + 135 + 5 + 520 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24284137 + ... + 24284183.

Almost surely, 2^1141355520 is an apocalyptic number.

1141355520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141355520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2207222784).

1141355520 is an abundant number, since it is smaller than the sum of its proper divisors (3273090048).

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

1141355520 is a wasteful number, since it uses less digits than its factorization.

1141355520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1141355520 is about 33783.9535874652. The cubic root of 1141355520 is about 1045.0578083601.

Adding to 1141355520 its reverse (255531411), we get a palindrome (1396886931).

The spelling of 1141355520 in words is "one billion, one hundred forty-one million, three hundred fifty-five thousand, five hundred twenty".