51411543515351 has 4 divisors (see below), whose sum is σ = 51411921974952. Its totient is φ = 51411165055752.

The previous prime is 51411543515333. The next prime is 51411543515357. The reversal of 51411543515351 is 15351534511415.

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 51411543515351 - 2¹⁰ = 51411543514327 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 (51411543515357) 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, 189025961 + ... + 189297746.

It is an arithmetic number, because the mean of its divisors is an integer number (12852980493738).

Almost surely, 2^{51411543515351} is an apocalyptic number.

51411543515351 is a deficient number, since it is larger than the sum of its proper divisors (378459601).

51411543515351 is a wasteful number, since it uses less digits than its factorization.

51411543515351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378459600.

The product of its digits is 450000, while the sum is 44.

The spelling of 51411543515351 in words is "fifty-one trillion, four hundred eleven billion, five hundred forty-three million, five hundred fifteen thousand, three hundred fifty-one".