1234561041161 has 32 divisors (see below), whose sum is σ = 1502753472000. Its totient is φ = 1011893245440.

The previous prime is 1234561041149. The next prime is 1234561041167. The reversal of 1234561041161 is 1611401654321.

It is not a de Polignac number, because 1234561041161 - 2¹⁰ = 1234561040137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234561041167) 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, 29649725 + ... + 29691333.

It is an arithmetic number, because the mean of its divisors is an integer number (46961046000).

Almost surely, 2^{1234561041161} is an apocalyptic number.

It is an amenable number.

1234561041161 is a deficient number, since it is larger than the sum of its proper divisors (268192430839).

1234561041161 is an equidigital number, since it uses as much as digits as its factorization.

1234561041161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45414 (or 45400 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 1234561041161 its reverse (1611401654321), we get a palindrome (2845962695482).

The spelling of 1234561041161 in words is "one trillion, two hundred thirty-four billion, five hundred sixty-one million, forty-one thousand, one hundred sixty-one".