6140515505 has 16 divisors (see below), whose sum is σ = 7691621760. Its totient is φ = 4697223168.

The previous prime is 6140515501. The next prime is 6140515517. The reversal of 6140515505 is 5055150416.

It is a cyclic number.

It is not a de Polignac number, because 6140515505 - 2² = 6140515501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6140515501) 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, 413489 + ... + 428081.

It is an arithmetic number, because the mean of its divisors is an integer number (480726360).

Almost surely, 2^6140515505 is an apocalyptic number.

It is an amenable number.

6140515505 is a deficient number, since it is larger than the sum of its proper divisors (1551106255).

6140515505 is a wasteful number, since it uses less digits than its factorization.

6140515505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18280.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 6140515505 is about 78361.4414428423. The cubic root of 6140515505 is about 1831.1964768571.

The spelling of 6140515505 in words is "six billion, one hundred forty million, five hundred fifteen thousand, five hundred five".