1141111320 has 64 divisors (see below), whose sum is σ = 3425677920. Its totient is φ = 304088064.

The previous prime is 1141111289. The next prime is 1141111337. The reversal of 1141111320 is 231111411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1141111320.

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, 263412 + ... + 267708.

Almost surely, 2^1141111320 is an apocalyptic number.

1141111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141111320 is an abundant number, since it is smaller than the sum of its proper divisors (2284566600).

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

1141111320 is a wasteful number, since it uses less digits than its factorization.

1141111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1141111320 is about 33780.3392522929. The cubic root of 1141111320 is about 1044.9832708722.

Adding to 1141111320 its reverse (231111411), we get a palindrome (1372222731).

Subtracting from 1141111320 its reverse (231111411), we obtain a palindrome (909999909).

The spelling of 1141111320 in words is "one billion, one hundred forty-one million, one hundred eleven thousand, three hundred twenty".