401121143215154 has 16 divisors (see below), whose sum is σ = 608019496088928. Its totient is φ = 198448895382912.

The previous prime is 401121143215129. The next prime is 401121143215159. The reversal of 401121143215154 is 451512341121104.

It is not an unprimeable number, because it can be changed into a prime (401121143215159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228506024 + ... + 230254739.

It is an arithmetic number, because the mean of its divisors is an integer number (38001218505558).

Almost surely, 2^{401121143215154} is an apocalyptic number.

401121143215154 is a deficient number, since it is larger than the sum of its proper divisors (206898352873774).

401121143215154 is a wasteful number, since it uses less digits than its factorization.

401121143215154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458765369.

The product of its (nonzero) digits is 19200, while the sum is 35.

Adding to 401121143215154 its reverse (451512341121104), we get a palindrome (852633484336258).

The spelling of 401121143215154 in words is "four hundred one trillion, one hundred twenty-one billion, one hundred forty-three million, two hundred fifteen thousand, one hundred fifty-four".