1161123225303 has 32 divisors (see below), whose sum is σ = 1655911434240. Its totient is φ = 722099387520.

The previous prime is 1161123225289. The next prime is 1161123225307. The reversal of 1161123225303 is 3035223211611.

It is not a de Polignac number, because 1161123225303 - 2⁸ = 1161123225047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161123225307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1302100 + ... + 2004422.

It is an arithmetic number, because the mean of its divisors is an integer number (51747232320).

Almost surely, 2^{1161123225303} is an apocalyptic number.

1161123225303 is a deficient number, since it is larger than the sum of its proper divisors (494788208937).

1161123225303 is a wasteful number, since it uses less digits than its factorization.

1161123225303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702999.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 1161123225303 its reverse (3035223211611), we get a palindrome (4196346436914).

The spelling of 1161123225303 in words is "one trillion, one hundred sixty-one billion, one hundred twenty-three million, two hundred twenty-five thousand, three hundred three".