51416261802713 has 8 divisors (see below), whose sum is σ = 53500983781248. Its totient is φ = 49372821447664.

The previous prime is 51416261802683. The next prime is 51416261802739. The reversal of 51416261802713 is 31720816261415.

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 51416261802713 - 2³⁸ = 51141383895769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51416261802743) 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, 10320403331 + ... + 10320408312.

It is an arithmetic number, because the mean of its divisors is an integer number (6687622972656).

Almost surely, 2^{51416261802713} is an apocalyptic number.

51416261802713 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51416261802713 is a deficient number, since it is larger than the sum of its proper divisors (2084721978535).

51416261802713 is a wasteful number, since it uses less digits than its factorization.

51416261802713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20640811743.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 51416261802713 in words is "fifty-one trillion, four hundred sixteen billion, two hundred sixty-one million, eight hundred two thousand, seven hundred thirteen".