51701752351111 has 8 divisors (see below), whose sum is σ = 51718377931920. Its totient is φ = 51685128992448.

The previous prime is 51701752351103. The next prime is 51701752351129. The reversal of 51701752351111 is 11115325710715.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51701752351111 - 2³ = 51701752351103 is a prime.

It is a super-2 number, since 2×51701752351111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51701752351511) 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, 46627440 + ... + 47723386.

It is an arithmetic number, because the mean of its divisors is an integer number (6464797241490).

Almost surely, 2^{51701752351111} is an apocalyptic number.

51701752351111 is a deficient number, since it is larger than the sum of its proper divisors (16625580809).

51701752351111 is a wasteful number, since it uses less digits than its factorization.

51701752351111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111073.

The product of its (nonzero) digits is 36750, while the sum is 40.

The spelling of 51701752351111 in words is "fifty-one trillion, seven hundred one billion, seven hundred fifty-two million, three hundred fifty-one thousand, one hundred eleven".