56401140512 has 24 divisors (see below), whose sum is σ = 111260532096. Its totient is φ = 28144497472.

The previous prime is 56401140503. The next prime is 56401140517. The reversal of 56401140512 is 21504110465.

It is not an unprimeable number, because it can be changed into a prime (56401140517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735928 + ... + 1768119.

It is an arithmetic number, because the mean of its divisors is an integer number (4635855504).

Almost surely, 2^56401140512 is an apocalyptic number.

It is an amenable number.

56401140512 is a deficient number, since it is larger than the sum of its proper divisors (54859391584).

56401140512 is a wasteful number, since it uses less digits than its factorization.

56401140512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504560 (or 3504552 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 56401140512 its reverse (21504110465), we get a palindrome (77905250977).

The spelling of 56401140512 in words is "fifty-six billion, four hundred one million, one hundred forty thousand, five hundred twelve".