5120045031505 has 4 divisors (see below), whose sum is σ = 6144054037812. Its totient is φ = 4096036025200.

The previous prime is 5120045031487. The next prime is 5120045031523. The reversal of 5120045031505 is 5051305400215.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5120045031487) and next prime (5120045031523).

It can be written as a sum of positive squares in 2 ways, for example, as 740329459776 + 4379715571729 = 860424^2 + 2092777^2 .

It is not a de Polignac number, because 5120045031505 - 2¹⁹ = 5120044507217 is a prime.

It is a super-2 number, since 2×5120045031505² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512004503146 + ... + 512004503155.

It is an arithmetic number, because the mean of its divisors is an integer number (1536013509453).

Almost surely, 2^{5120045031505} is an apocalyptic number.

It is an amenable number.

5120045031505 is a deficient number, since it is larger than the sum of its proper divisors (1024009006307).

5120045031505 is a wasteful number, since it uses less digits than its factorization.

5120045031505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024009006306.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 5120045031505 in words is "five trillion, one hundred twenty billion, forty-five million, thirty-one thousand, five hundred five".