5120454985 has 16 divisors (see below), whose sum is σ = 6253171200. Its totient is φ = 4024117440.

The previous prime is 5120454947. The next prime is 5120455003. The reversal of 5120454985 is 5894540215.

It is a de Polignac number, because none of the positive numbers 2^k-5120454985 is a prime.

It is a super-2 number, since 2×5120454985² = 52438118506822700450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240816 + ... + 261214.

It is an arithmetic number, because the mean of its divisors is an integer number (390823200).

Almost surely, 2^5120454985 is an apocalyptic number.

It is an amenable number.

5120454985 is a deficient number, since it is larger than the sum of its proper divisors (1132716215).

5120454985 is a wasteful number, since it uses less digits than its factorization.

5120454985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21288.

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 5120454985 is about 71557.3545137046. The cubic root of 5120454985 is about 1723.5988044439.

The spelling of 5120454985 in words is "five billion, one hundred twenty million, four hundred fifty-four thousand, nine hundred eighty-five".