1161051138226 has 32 divisors (see below), whose sum is σ = 2107563494400. Its totient is φ = 468298853376.

The previous prime is 1161051138199. The next prime is 1161051138227. The reversal of 1161051138226 is 6228311501611.

It is not an unprimeable number, because it can be changed into a prime (1161051138227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4887450 + ... + 5119498.

It is an arithmetic number, because the mean of its divisors is an integer number (65861359200).

Almost surely, 2^{1161051138226} is an apocalyptic number.

1161051138226 is a deficient number, since it is larger than the sum of its proper divisors (946512356174).

1161051138226 is a wasteful number, since it uses less digits than its factorization.

1161051138226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253098.

The product of its (nonzero) digits is 17280, while the sum is 37.

Adding to 1161051138226 its reverse (6228311501611), we get a palindrome (7389362639837).

The spelling of 1161051138226 in words is "one trillion, one hundred sixty-one billion, fifty-one million, one hundred thirty-eight thousand, two hundred twenty-six".