16401140363125 has 20 divisors (see below), whose sum is σ = 23422702860832. Its totient is φ = 11246496246000.

The previous prime is 16401140363117. The next prime is 16401140363149. The reversal of 16401140363125 is 52136304110461.

It is not a de Polignac number, because 16401140363125 - 2³ = 16401140363117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1874411667 + ... + 1874420416.

Almost surely, 2^{16401140363125} is an apocalyptic number.

It is an amenable number.

16401140363125 is a deficient number, since it is larger than the sum of its proper divisors (7021562497707).

16401140363125 is an frugal number, since it uses more digits than its factorization.

16401140363125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748832110 (or 3748832095 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 16401140363125 its reverse (52136304110461), we get a palindrome (68537444473586).

The spelling of 16401140363125 in words is "sixteen trillion, four hundred one billion, one hundred forty million, three hundred sixty-three thousand, one hundred twenty-five".