401112005131421 has 16 divisors (see below), whose sum is σ = 412449025944384. Its totient is φ = 389868312511104.

The previous prime is 401112005131373. The next prime is 401112005131429. The reversal of 401112005131421 is 124131500211104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401112005131421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401112005131429) 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, 4693535 + ... + 28709811.

It is an arithmetic number, because the mean of its divisors is an integer number (25778064121524).

Almost surely, 2^{401112005131421} is an apocalyptic number.

It is an amenable number.

401112005131421 is a deficient number, since it is larger than the sum of its proper divisors (11337020812963).

401112005131421 is a wasteful number, since it uses less digits than its factorization.

401112005131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018220.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 401112005131421 its reverse (124131500211104), we get a palindrome (525243505342525).

The spelling of 401112005131421 in words is "four hundred one trillion, one hundred twelve billion, five million, one hundred thirty-one thousand, four hundred twenty-one".