1161232107042 has 64 divisors (see below), whose sum is σ = 2794399073280. Its totient is φ = 314267034816.

The previous prime is 1161232107041. The next prime is 1161232107043. The reversal of 1161232107042 is 2407012321611.

It is an interprime number because it is at equal distance from previous prime (1161232107041) and next prime (1161232107043).

It is not an unprimeable number, because it can be changed into a prime (1161232107041) 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, 4893133 + ... + 5124959.

It is an arithmetic number, because the mean of its divisors is an integer number (43662485520).

Almost surely, 2^{1161232107042} is an apocalyptic number.

1161232107042 is an abundant number, since it is smaller than the sum of its proper divisors (1633166966238).

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

1161232107042 is a wasteful number, since it uses less digits than its factorization.

1161232107042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238135.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 1161232107042 its reverse (2407012321611), we get a palindrome (3568244428653).

The spelling of 1161232107042 in words is "one trillion, one hundred sixty-one billion, two hundred thirty-two million, one hundred seven thousand, forty-two".