51056505101 has 16 divisors (see below), whose sum is σ = 61643141760. Its totient is φ = 41309714880.

The previous prime is 51056505079. The next prime is 51056505103. The reversal of 51056505101 is 10150565015.

It is a happy number.

51056505101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51056505101 - 2⁶ = 51056505037 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 (51056505103) 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, 656090 + ... + 729771.

It is an arithmetic number, because the mean of its divisors is an integer number (3852696360).

Almost surely, 2^51056505101 is an apocalyptic number.

It is an amenable number.

51056505101 is a deficient number, since it is larger than the sum of its proper divisors (10586636659).

51056505101 is a wasteful number, since it uses less digits than its factorization.

51056505101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386164.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 51056505101 in words is "fifty-one billion, fifty-six million, five hundred five thousand, one hundred one".