56135521015757 has 16 divisors (see below), whose sum is σ = 59284362672000. Its totient is φ = 53077801654080.

The previous prime is 56135521015723. The next prime is 56135521015771. The reversal of 56135521015757 is 75751012553165.

It is a cyclic number.

It is not a de Polignac number, because 56135521015757 - 2¹⁶ = 56135520950221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56135521015699 and 56135521015708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56135521015657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91181423 + ... + 91795004.

It is an arithmetic number, because the mean of its divisors is an integer number (3705272667000).

Almost surely, 2^{56135521015757} is an apocalyptic number.

It is an amenable number.

56135521015757 is a deficient number, since it is larger than the sum of its proper divisors (3148841656243).

56135521015757 is a wasteful number, since it uses less digits than its factorization.

56135521015757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182976676.

The product of its (nonzero) digits is 5512500, while the sum is 53.

The spelling of 56135521015757 in words is "fifty-six trillion, one hundred thirty-five billion, five hundred twenty-one million, fifteen thousand, seven hundred fifty-seven".