1131112050 has 48 divisors (see below), whose sum is σ = 2810049312. Its totient is φ = 301104000.

The previous prime is 1131112001. The next prime is 1131112057. The reversal of 1131112050 is 502111311.

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

It is not an unprimeable number, because it can be changed into a prime (1131112057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83877 + ... + 96423.

It is an arithmetic number, because the mean of its divisors is an integer number (58542694).

Almost surely, 2^1131112050 is an apocalyptic number.

1131112050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131112050 is an abundant number, since it is smaller than the sum of its proper divisors (1678937262).

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

1131112050 is a wasteful number, since it uses less digits than its factorization.

1131112050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13163 (or 13158 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1131112050 is about 33632.0093066115. The cubic root of 1131112050 is about 1041.9220036103.

Adding to 1131112050 its reverse (502111311), we get a palindrome (1633223361).

The spelling of 1131112050 in words is "one billion, one hundred thirty-one million, one hundred twelve thousand, fifty".