51335274874591 has 8 divisors (see below), whose sum is σ = 51588097450704. Its totient is φ = 51082863728640.

The previous prime is 51335274874573. The next prime is 51335274874627. The reversal of 51335274874591 is 19547847253315.

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 51335274874591 - 2³⁵ = 51300915136223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51335274874571) 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, 102607380 + ... + 103106473.

It is an arithmetic number, because the mean of its divisors is an integer number (6448512181338).

Almost surely, 2^{51335274874591} is an apocalyptic number.

51335274874591 is a deficient number, since it is larger than the sum of its proper divisors (252822576113).

51335274874591 is a wasteful number, since it uses less digits than its factorization.

51335274874591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205715081.

The product of its digits is 127008000, while the sum is 64.

The spelling of 51335274874591 in words is "fifty-one trillion, three hundred thirty-five billion, two hundred seventy-four million, eight hundred seventy-four thousand, five hundred ninety-one".