401123031504011 has 16 divisors (see below), whose sum is σ = 403867447719936. Its totient is φ = 398388146121216.

The previous prime is 401123031504007. The next prime is 401123031504017. The reversal of 401123031504011 is 110405130321104.

It is a cyclic number.

It is not a de Polignac number, because 401123031504011 - 2² = 401123031504007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401123031504017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188468390 + ... + 190584836.

It is an arithmetic number, because the mean of its divisors is an integer number (25241715482496).

Almost surely, 2^{401123031504011} is an apocalyptic number.

401123031504011 is a deficient number, since it is larger than the sum of its proper divisors (2744416215925).

401123031504011 is a wasteful number, since it uses less digits than its factorization.

401123031504011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118698.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 401123031504011 its reverse (110405130321104), we get a palindrome (511528161825115).

The spelling of 401123031504011 in words is "four hundred one trillion, one hundred twenty-three billion, thirty-one million, five hundred four thousand, eleven".