56101111651501 has 6 divisors (see below), whose sum is σ = 65260476819150. Its totient is φ = 48086667129816.

The previous prime is 56101111651439. The next prime is 56101111651517. The reversal of 56101111651501 is 10515611110165.

56101111651501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36526672312900 + 19574439338601 = 6043730^2 + 4424301^2 .

It is not a de Polignac number, because 56101111651501 - 2⁴³ = 47305018629293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56101111651601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572460322926 + ... + 572460323023.

It is an arithmetic number, because the mean of its divisors is an integer number (10876746136525).

Almost surely, 2^{56101111651501} is an apocalyptic number.

It is an amenable number.

56101111651501 is a deficient number, since it is larger than the sum of its proper divisors (9159365167649).

56101111651501 is a wasteful number, since it uses less digits than its factorization.

56101111651501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144920645963 (or 1144920645956 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 34.

Adding to 56101111651501 its reverse (10515611110165), we get a palindrome (66616722761666).

The spelling of 56101111651501 in words is "fifty-six trillion, one hundred one billion, one hundred eleven million, six hundred fifty-one thousand, five hundred one".