56747547505111 has 4 divisors (see below), whose sum is σ = 56753874590400. Its totient is φ = 56741220419824.

The previous prime is 56747547505097. The next prime is 56747547505147. The reversal of 56747547505111 is 11150574574765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56747547505111 - 2¹⁷ = 56747547374039 is a prime.

It is a super-2 number, since 2×56747547505111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56747547508111) 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, 3163529191 + ... + 3163547128.

It is an arithmetic number, because the mean of its divisors is an integer number (14188468647600).

Almost surely, 2^{56747547505111} is an apocalyptic number.

56747547505111 is a deficient number, since it is larger than the sum of its proper divisors (6327085289).

56747547505111 is an equidigital number, since it uses as much as digits as its factorization.

56747547505111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327085288.

The product of its (nonzero) digits is 20580000, while the sum is 58.

The spelling of 56747547505111 in words is "fifty-six trillion, seven hundred forty-seven billion, five hundred forty-seven million, five hundred five thousand, one hundred eleven".