7145016505 has 16 divisors (see below), whose sum is σ = 9386782848. Its totient is φ = 5177872000.

The previous prime is 7145016503. The next prime is 7145016511. The reversal of 7145016505 is 5056105417.

7145016505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7145016505 - 2¹ = 7145016503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7145016503) 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, 215701 + ... + 246610.

It is an arithmetic number, because the mean of its divisors is an integer number (586673928).

Almost surely, 2^7145016505 is an apocalyptic number.

It is an amenable number.

7145016505 is a deficient number, since it is larger than the sum of its proper divisors (2241766343).

7145016505 is a wasteful number, since it uses less digits than its factorization.

7145016505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462608.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 7145016505 is about 84528.1994662136. The cubic root of 7145016505 is about 1926.0508350387.

The spelling of 7145016505 in words is "seven billion, one hundred forty-five million, sixteen thousand, five hundred five".