56135403011 has 8 divisors (see below), whose sum is σ = 57723218784. Its totient is φ = 54557999680.

The previous prime is 56135402971. The next prime is 56135403017. The reversal of 56135403011 is 11030453165.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56135403011 is a prime.

It is a super-2 number, since 2×56135403011² (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 (56135403017) 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, 2592176 + ... + 2613741.

It is an arithmetic number, because the mean of its divisors is an integer number (7215402348).

Almost surely, 2^56135403011 is an apocalyptic number.

56135403011 is a deficient number, since it is larger than the sum of its proper divisors (1587815773).

56135403011 is a wasteful number, since it uses less digits than its factorization.

56135403011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206221.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 56135403011 its reverse (11030453165), we get a palindrome (67165856176).

The spelling of 56135403011 in words is "fifty-six billion, one hundred thirty-five million, four hundred three thousand, eleven".