1011161050 has 12 divisors (see below), whose sum is σ = 1880759646. Its totient is φ = 404464400.

The previous prime is 1011161023. The next prime is 1011161059. The reversal of 1011161050 is 501611101.

It can be written as a sum of positive squares in 3 ways, for example, as 473802289 + 537358761 = 21767^2 + 23181^2 .

It is not an unprimeable number, because it can be changed into a prime (1011161059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10111561 + ... + 10111660.

Almost surely, 2^1011161050 is an apocalyptic number.

1011161050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011161050 is a deficient number, since it is larger than the sum of its proper divisors (869598596).

1011161050 is a wasteful number, since it uses less digits than its factorization.

1011161050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223233 (or 20223228 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1011161050 is about 31798.7586235689. The cubic root of 1011161050 is about 1003.7065941848.

Adding to 1011161050 its reverse (501611101), we get a palindrome (1512772151).

The spelling of 1011161050 in words is "one billion, eleven million, one hundred sixty-one thousand, fifty".