51771921114 has 16 divisors (see below), whose sum is σ = 103547492928. Its totient is φ = 17256698592.

The previous prime is 51771921079. The next prime is 51771921119. The reversal of 51771921114 is 41112917715.

51771921114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51771921119) 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, 53659 + ... + 326225.

It is an arithmetic number, because the mean of its divisors is an integer number (6471718308).

Almost surely, 2^51771921114 is an apocalyptic number.

51771921114 is an abundant number, since it is smaller than the sum of its proper divisors (51775571814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51771921114 is a wasteful number, since it uses less digits than its factorization.

51771921114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304229.

The product of its digits is 17640, while the sum is 39.

It can be divided in two parts, 5177 and 1921114, that added together give a palindrome (1926291).

The spelling of 51771921114 in words is "fifty-one billion, seven hundred seventy-one million, nine hundred twenty-one thousand, one hundred fourteen".