6511313975 has 12 divisors (see below), whose sum is σ = 8075082120. Its totient is φ = 5208372000.

The previous prime is 6511313903. The next prime is 6511313981. The reversal of 6511313975 is 5793131156.

6511313975 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 6511313975 - 2⁸ = 6511313719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281396 + ... + 303654.

It is an arithmetic number, because the mean of its divisors is an integer number (672923510).

Almost surely, 2^6511313975 is an apocalyptic number.

6511313975 is a deficient number, since it is larger than the sum of its proper divisors (1563768145).

6511313975 is a wasteful number, since it uses less digits than its factorization.

6511313975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33970 (or 33965 counting only the distinct ones).

The product of its digits is 85050, while the sum is 41.

The square root of 6511313975 is about 80692.7132707780. The cubic root of 6511313975 is about 1867.3377594302.

The spelling of 6511313975 in words is "six billion, five hundred eleven million, three hundred thirteen thousand, nine hundred seventy-five".