51050100011 has 4 divisors (see below), whose sum is σ = 53736947400. Its totient is φ = 48363252624.

The previous prime is 51050100007. The next prime is 51050100019. The reversal of 51050100011 is 11000105015.

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

It is a cyclic number.

It is not a de Polignac number, because 51050100011 - 2² = 51050100007 is a prime.

It is a super-2 number, since 2×51050100011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51050100019) 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, 1343423666 + ... + 1343423703.

It is an arithmetic number, because the mean of its divisors is an integer number (13434236850).

Almost surely, 2^51050100011 is an apocalyptic number.

51050100011 is a deficient number, since it is larger than the sum of its proper divisors (2686847389).

51050100011 is a wasteful number, since it uses less digits than its factorization.

51050100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686847388.

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 51050100011 its reverse (11000105015), we get a palindrome (62050205026).

The spelling of 51050100011 in words is "fifty-one billion, fifty million, one hundred thousand, eleven".