20411161111434 has 32 divisors (see below), whose sum is σ = 41155772443200. Its totient is φ = 6748277500800.

The previous prime is 20411161111433. The next prime is 20411161111459. The reversal of 20411161111434 is 43411116111402.

It is not an unprimeable number, because it can be changed into a prime (20411161111433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15902707 + ... + 17138214.

It is an arithmetic number, because the mean of its divisors is an integer number (1286117888850).

Almost surely, 2^{20411161111434} is an apocalyptic number.

20411161111434 is an abundant number, since it is smaller than the sum of its proper divisors (20744611331766).

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

20411161111434 is a wasteful number, since it uses less digits than its factorization.

20411161111434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33041766.

The product of its (nonzero) digits is 2304, while the sum is 30.

Adding to 20411161111434 its reverse (43411116111402), we get a palindrome (63822277222836).

The spelling of 20411161111434 in words is "twenty trillion, four hundred eleven billion, one hundred sixty-one million, one hundred eleven thousand, four hundred thirty-four".