401401254611 has 12 divisors (see below), whose sum is σ = 467381338200. Its totient is φ = 343730187360.

The previous prime is 401401254601. The next prime is 401401254629. The reversal of 401401254611 is 116452104104.

It is not a de Polignac number, because 401401254611 - 2¹⁰ = 401401253587 is a prime.

It is a super-2 number, since 2×401401254611² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401401254601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3853205 + ... + 3956006.

It is an arithmetic number, because the mean of its divisors is an integer number (38948444850).

Almost surely, 2^401401254611 is an apocalyptic number.

401401254611 is a deficient number, since it is larger than the sum of its proper divisors (65980083589).

401401254611 is a wasteful number, since it uses less digits than its factorization.

401401254611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7810274 (or 7810267 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 401401254611 its reverse (116452104104), we get a palindrome (517853358715).

The spelling of 401401254611 in words is "four hundred one billion, four hundred one million, two hundred fifty-four thousand, six hundred eleven".