51111656710 has 8 divisors (see below), whose sum is σ = 92000982096. Its totient is φ = 20444662680.

The previous prime is 51111656647. The next prime is 51111656711. The reversal of 51111656710 is 1765611115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51111656710² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51111656711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555582826 + ... + 2555582845.

It is an arithmetic number, because the mean of its divisors is an integer number (11500122762).

Almost surely, 2^51111656710 is an apocalyptic number.

51111656710 is a deficient number, since it is larger than the sum of its proper divisors (40889325386).

51111656710 is a wasteful number, since it uses less digits than its factorization.

51111656710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111165678.

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 51111656710 in words is "fifty-one billion, one hundred eleven million, six hundred fifty-six thousand, seven hundred ten".