51174880807551 has 64 divisors (see below), whose sum is σ = 70514873740800. Its totient is φ = 33001051539456.

The previous prime is 51174880807543. The next prime is 51174880807553. The reversal of 51174880807551 is 15570808847115.

It is not a de Polignac number, because 51174880807551 - 2³ = 51174880807543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174880807553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1385070460 + ... + 1385107406.

It is an arithmetic number, because the mean of its divisors is an integer number (1101794902200).

Almost surely, 2^{51174880807551} is an apocalyptic number.

51174880807551 is a deficient number, since it is larger than the sum of its proper divisors (19339992933249).

51174880807551 is a wasteful number, since it uses less digits than its factorization.

51174880807551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37688.

The product of its (nonzero) digits is 12544000, while the sum is 60.

The spelling of 51174880807551 in words is "fifty-one trillion, one hundred seventy-four billion, eight hundred eighty million, eight hundred seven thousand, five hundred fifty-one".