56105655101 has 8 divisors (see below), whose sum is σ = 59534859384. Its totient is φ = 52690769920.

The previous prime is 56105655097. The next prime is 56105655103. The reversal of 56105655101 is 10155650165.

It can be written as a sum of positive squares in 4 ways, for example, as 14101562500 + 42004092601 = 118750^2 + 204949^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56105655101 - 2² = 56105655097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105655103) 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, 3571700 + ... + 3587373.

It is an arithmetic number, because the mean of its divisors is an integer number (7441857423).

Almost surely, 2^56105655101 is an apocalyptic number.

It is an amenable number.

56105655101 is a deficient number, since it is larger than the sum of its proper divisors (3429204283).

56105655101 is a wasteful number, since it uses less digits than its factorization.

56105655101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159551.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 56105655101 in words is "fifty-six billion, one hundred five million, six hundred fifty-five thousand, one hundred one".