51535151343199 has 4 divisors (see below), whose sum is σ = 51991214629536. Its totient is φ = 51079088056864.

The previous prime is 51535151343041. The next prime is 51535151343227. The reversal of 51535151343199 is 99134315153515.

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 51535151343199 - 2²¹ = 51535149246047 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 (51535151344199) 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, 228031642999 + ... + 228031643224.

It is an arithmetic number, because the mean of its divisors is an integer number (12997803657384).

Almost surely, 2^{51535151343199} is an apocalyptic number.

51535151343199 is a deficient number, since it is larger than the sum of its proper divisors (456063286337).

51535151343199 is a wasteful number, since it uses less digits than its factorization.

51535151343199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456063286336.

The product of its digits is 5467500, while the sum is 55.

The spelling of 51535151343199 in words is "fifty-one trillion, five hundred thirty-five billion, one hundred fifty-one million, three hundred forty-three thousand, one hundred ninety-nine".