505351514152445 has 16 divisors (see below), whose sum is σ = 621214207658352. Its totient is φ = 394419668797440.

The previous prime is 505351514152367. The next prime is 505351514152447. The reversal of 505351514152445 is 544251415153505.

It can be written as a sum of positive squares in 8 ways, for example, as 15348929608441 + 490002584544004 = 3917771^2 + 22136002^2 .

It is not a de Polignac number, because 505351514152445 - 2²⁴ = 505351497375229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505351514152393 and 505351514152402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505351514152447) 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, 81280049 + ... + 87276281.

It is an arithmetic number, because the mean of its divisors is an integer number (38825887978647).

Almost surely, 2^{505351514152445} is an apocalyptic number.

It is an amenable number.

505351514152445 is a deficient number, since it is larger than the sum of its proper divisors (115862693505907).

505351514152445 is a wasteful number, since it uses less digits than its factorization.

505351514152445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407392.

The product of its (nonzero) digits is 6000000, while the sum is 50.

The spelling of 505351514152445 in words is "five hundred five trillion, three hundred fifty-one billion, five hundred fourteen million, one hundred fifty-two thousand, four hundred forty-five".