401031501053111 has 4 divisors (see below), whose sum is σ = 406525083259392. Its totient is φ = 395537918846832.

The previous prime is 401031501053081. The next prime is 401031501053129. The reversal of 401031501053111 is 111350105130104.

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 401031501053111 - 2²² = 401031496858807 is a prime.

It is a super-2 number, since 2×401031501053111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401031501056111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2746791103031 + ... + 2746791103176.

It is an arithmetic number, because the mean of its divisors is an integer number (101631270814848).

Almost surely, 2^{401031501053111} is an apocalyptic number.

401031501053111 is a deficient number, since it is larger than the sum of its proper divisors (5493582206281).

401031501053111 is an equidigital number, since it uses as much as digits as its factorization.

401031501053111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493582206280.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 401031501053111 its reverse (111350105130104), we get a palindrome (512381606183215).

The spelling of 401031501053111 in words is "four hundred one trillion, thirty-one billion, five hundred one million, fifty-three thousand, one hundred eleven".