56541105131 has 8 divisors (see below), whose sum is σ = 64644897504. Its totient is φ = 48443935680.

The previous prime is 56541105109. The next prime is 56541105133. The reversal of 56541105131 is 13150114565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56541105131 - 2⁶ = 56541105067 is a prime.

It is a super-2 number, since 2×56541105131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56541105133) 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, 1637420 + ... + 1671593.

It is an arithmetic number, because the mean of its divisors is an integer number (8080612188).

Almost surely, 2^56541105131 is an apocalyptic number.

56541105131 is a deficient number, since it is larger than the sum of its proper divisors (8103792373).

56541105131 is a wasteful number, since it uses less digits than its factorization.

56541105131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311461.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 56541105131 its reverse (13150114565), we get a palindrome (69691219696).

The spelling of 56541105131 in words is "fifty-six billion, five hundred forty-one million, one hundred five thousand, one hundred thirty-one".