51019105101 has 16 divisors (see below), whose sum is σ = 68354150400. Its totient is φ = 33848582768.

The previous prime is 51019105069. The next prime is 51019105157. The reversal of 51019105101 is 10150191015.

It is a cyclic number.

It is not a de Polignac number, because 51019105101 - 2⁵ = 51019105069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51019105301) 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, 1130080 + ... + 1174358.

It is an arithmetic number, because the mean of its divisors is an integer number (4272134400).

Almost surely, 2^51019105101 is an apocalyptic number.

It is an amenable number.

51019105101 is a deficient number, since it is larger than the sum of its proper divisors (17335045299).

51019105101 is a wasteful number, since it uses less digits than its factorization.

51019105101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46128.

The product of its (nonzero) digits is 225, while the sum is 24.

Adding to 51019105101 its reverse (10150191015), we get a palindrome (61169296116).

The spelling of 51019105101 in words is "fifty-one billion, nineteen million, one hundred five thousand, one hundred one".