51145360523 has 8 divisors (see below), whose sum is σ = 54217412928. Its totient is φ = 48080363904.

The previous prime is 51145360493. The next prime is 51145360531. The reversal of 51145360523 is 32506354115.

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 51145360523 - 2⁶ = 51145360459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51145360543) 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, 1749011 + ... + 1778012.

It is an arithmetic number, because the mean of its divisors is an integer number (6777176616).

Almost surely, 2^51145360523 is an apocalyptic number.

51145360523 is a deficient number, since it is larger than the sum of its proper divisors (3072052405).

51145360523 is a wasteful number, since it uses less digits than its factorization.

51145360523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527893.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 51145360523 in words is "fifty-one billion, one hundred forty-five million, three hundred sixty thousand, five hundred twenty-three".