512451320331545 has 16 divisors (see below), whose sum is σ = 702792881146368. Its totient is φ = 351393941595840.

The previous prime is 512451320331541. The next prime is 512451320331553. The reversal of 512451320331545 is 545133023154215.

It is not a de Polignac number, because 512451320331545 - 2² = 512451320331541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512451320331496 and 512451320331505.

It is not an unprimeable number, because it can be changed into a prime (512451320331541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15992786 + ... + 35786475.

It is an arithmetic number, because the mean of its divisors is an integer number (43924555071648).

Almost surely, 2^{512451320331545} is an apocalyptic number.

It is an amenable number.

512451320331545 is a deficient number, since it is larger than the sum of its proper divisors (190341560814823).

512451320331545 is a wasteful number, since it uses less digits than its factorization.

512451320331545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52062040.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 512451320331545 in words is "five hundred twelve trillion, four hundred fifty-one billion, three hundred twenty million, three hundred thirty-one thousand, five hundred forty-five".