401134166611 has 4 divisors (see below), whose sum is σ = 401136682752. Its totient is φ = 401131650472.

The previous prime is 401134166533. The next prime is 401134166617. The reversal of 401134166611 is 116661431104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401134166611 - 2⁹ = 401134166099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401134166617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001491 + ... + 1343596.

It is an arithmetic number, because the mean of its divisors is an integer number (100284170688).

Almost surely, 2^401134166611 is an apocalyptic number.

401134166611 is a deficient number, since it is larger than the sum of its proper divisors (2516141).

401134166611 is a wasteful number, since it uses less digits than its factorization.

401134166611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516140.

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 401134166611 its reverse (116661431104), we get a palindrome (517795597715).

The spelling of 401134166611 in words is "four hundred one billion, one hundred thirty-four million, one hundred sixty-six thousand, six hundred eleven".