51560411101 has 4 divisors (see below), whose sum is σ = 52405663804. Its totient is φ = 50715158400.

The previous prime is 51560411099. The next prime is 51560411113. The reversal of 51560411101 is 10111406515.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29799735876 + 21760675225 = 172626^2 + 147515^2 .

It is a cyclic number.

It is not a de Polignac number, because 51560411101 - 2¹ = 51560411099 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 (51560418101) 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, 422626260 + ... + 422626381.

It is an arithmetic number, because the mean of its divisors is an integer number (13101415951).

Almost surely, 2^51560411101 is an apocalyptic number.

It is an amenable number.

51560411101 is a deficient number, since it is larger than the sum of its proper divisors (845252703).

51560411101 is an equidigital number, since it uses as much as digits as its factorization.

51560411101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845252702.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 51560411101 its reverse (10111406515), we get a palindrome (61671817616).

The spelling of 51560411101 in words is "fifty-one billion, five hundred sixty million, four hundred eleven thousand, one hundred one".