5120421515 has 8 divisors (see below), whose sum is σ = 6703097328. Its totient is φ = 3723942880.

The previous prime is 5120421491. The next prime is 5120421541. The reversal of 5120421515 is 5151240215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5120421515 - 2¹⁴ = 5120405131 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 46549232 + ... + 46549341.

It is an arithmetic number, because the mean of its divisors is an integer number (837887166).

Almost surely, 2^5120421515 is an apocalyptic number.

5120421515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5120421515 is a deficient number, since it is larger than the sum of its proper divisors (1582675813).

5120421515 is a wasteful number, since it uses less digits than its factorization.

5120421515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93098589.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5120421515 is about 71557.1206449784. The cubic root of 5120421515 is about 1723.5950489848.

The spelling of 5120421515 in words is "five billion, one hundred twenty million, four hundred twenty-one thousand, five hundred fifteen".