51120034407751 has 4 divisors (see below), whose sum is σ = 51120956525104. Its totient is φ = 51119112290400.

The previous prime is 51120034407733. The next prime is 51120034407863. The reversal of 51120034407751 is 15770443002115.

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 51120034407751 - 2⁵ = 51120034407719 is a prime.

It is a super-2 number, since 2×51120034407751² (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 (51120034407251) 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, 460975515 + ... + 461086396.

It is an arithmetic number, because the mean of its divisors is an integer number (12780239131276).

Almost surely, 2^{51120034407751} is an apocalyptic number.

51120034407751 is a deficient number, since it is larger than the sum of its proper divisors (922117353).

51120034407751 is an equidigital number, since it uses as much as digits as its factorization.

51120034407751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922117352.

The product of its (nonzero) digits is 117600, while the sum is 40.

Adding to 51120034407751 its reverse (15770443002115), we get a palindrome (66890477409866).

The spelling of 51120034407751 in words is "fifty-one trillion, one hundred twenty billion, thirty-four million, four hundred seven thousand, seven hundred fifty-one".