5131440500144 has 40 divisors (see below), whose sum is σ = 11379665383968. Its totient is φ = 2195861690880.

The previous prime is 5131440500119. The next prime is 5131440500149. The reversal of 5131440500144 is 4410050441315.

It is a self number, because there is not a number n which added to its sum of digits gives 5131440500144.

It is not an unprimeable number, because it can be changed into a prime (5131440500149) 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, 34582877 + ... + 34730940.

Almost surely, 2^{5131440500144} is an apocalyptic number.

It is an amenable number.

5131440500144 is an abundant number, since it is smaller than the sum of its proper divisors (6248224883824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131440500144 is a wasteful number, since it uses less digits than its factorization.

5131440500144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69314493 (or 69314487 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 5131440500144 its reverse (4410050441315), we get a palindrome (9541490941459).

The spelling of 5131440500144 in words is "five trillion, one hundred thirty-one billion, four hundred forty million, five hundred thousand, one hundred forty-four".