6500137523555 has 16 divisors (see below), whose sum is σ = 8411101295520. Its totient is φ = 4793859514368.

The previous prime is 6500137523527. The next prime is 6500137523587. The reversal of 6500137523555 is 5553257310056.

It is a cyclic number.

It is not a de Polignac number, because 6500137523555 - 2³⁶ = 6431418046819 is a prime.

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, 64970897 + ... + 65070866.

It is an arithmetic number, because the mean of its divisors is an integer number (525693830970).

Almost surely, 2^{6500137523555} is an apocalyptic number.

6500137523555 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6500137523555 is a deficient number, since it is larger than the sum of its proper divisors (1910963771965).

6500137523555 is a wasteful number, since it uses less digits than its factorization.

6500137523555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130042550.

The product of its (nonzero) digits is 2362500, while the sum is 47.

The spelling of 6500137523555 in words is "six trillion, five hundred billion, one hundred thirty-seven million, five hundred twenty-three thousand, five hundred fifty-five".