1141111080 has 96 divisors (see below), whose sum is σ = 3808888200. Its totient is φ = 296068608.

The previous prime is 1141111051. The next prime is 1141111091. The reversal of 1141111080 is 801111411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1076758596 + 64352484 = 32814^2 + 8022^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29515 + ... + 56154.

Almost surely, 2^1141111080 is an apocalyptic number.

1141111080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141111080 is an abundant number, since it is smaller than the sum of its proper divisors (2667777120).

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

1141111080 is a wasteful number, since it uses less digits than its factorization.

1141111080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85723 (or 85716 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

The square root of 1141111080 is about 33780.3356999305. The cubic root of 1141111080 is about 1044.9831976114.

Adding to 1141111080 its reverse (801111411), we get a palindrome (1942222491).

The spelling of 1141111080 in words is "one billion, one hundred forty-one million, one hundred eleven thousand, eighty".