51127880702 has 4 divisors (see below), whose sum is σ = 76691821056. Its totient is φ = 25563940350.

The previous prime is 51127880623. The next prime is 51127880723. The reversal of 51127880702 is 20708872115.

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

It is a super-2 number, since 2×51127880702² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51127880702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781970174 + ... + 12781970177.

It is an arithmetic number, because the mean of its divisors is an integer number (19172955264).

Almost surely, 2^51127880702 is an apocalyptic number.

51127880702 is a deficient number, since it is larger than the sum of its proper divisors (25563940354).

51127880702 is a wasteful number, since it uses less digits than its factorization.

51127880702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25563940353.

The product of its (nonzero) digits is 62720, while the sum is 41.

The spelling of 51127880702 in words is "fifty-one billion, one hundred twenty-seven million, eight hundred eighty thousand, seven hundred two".