401113636011 has 32 divisors (see below), whose sum is σ = 648346828800. Its totient is φ = 243068286240.

The previous prime is 401113635953. The next prime is 401113636013. The reversal of 401113636011 is 110636311104.

401113636011 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 13 + 636 + 0 + 11 = 666.

It is not a de Polignac number, because 401113636011 - 2¹⁵ = 401113603243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (401113636013) 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, 2374230 + ... + 2537556.

It is an arithmetic number, because the mean of its divisors is an integer number (20260838400).

Almost surely, 2^401113636011 is an apocalyptic number.

401113636011 is a deficient number, since it is larger than the sum of its proper divisors (247233192789).

401113636011 is a wasteful number, since it uses less digits than its factorization.

401113636011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171616 (or 171610 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 401113636011 its reverse (110636311104), we get a palindrome (511749947115).

The spelling of 401113636011 in words is "four hundred one billion, one hundred thirteen million, six hundred thirty-six thousand, eleven".