51301020222545 has 8 divisors (see below), whose sum is σ = 61576033342824. Its totient is φ = 41030943460864.

The previous prime is 51301020222527. The next prime is 51301020222559. The reversal of 51301020222545 is 54522202010315.

It can be written as a sum of positive squares in 4 ways, for example, as 53690914369 + 51247329308176 = 231713^2 + 7158724^2 .

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 51301020222545 - 2²⁶ = 51300953113681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234066784 + ... + 1234108353.

It is an arithmetic number, because the mean of its divisors is an integer number (7697004167853).

Almost surely, 2^{51301020222545} is an apocalyptic number.

It is an amenable number.

51301020222545 is a deficient number, since it is larger than the sum of its proper divisors (10275013120279).

51301020222545 is a wasteful number, since it uses less digits than its factorization.

51301020222545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468179299.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 51301020222545 in words is "fifty-one trillion, three hundred one billion, twenty million, two hundred twenty-two thousand, five hundred forty-five".