6531543101135 has 16 divisors (see below), whose sum is σ = 8440821194400. Its totient is φ = 4823260337280.

The previous prime is 6531543101131. The next prime is 6531543101137. The reversal of 6531543101135 is 5311013451356.

It is not a de Polignac number, because 6531543101135 - 2² = 6531543101131 is a prime.

It is a super-2 number, since 2×6531543101135² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6531543101131) 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, 13430525 + ... + 13908345.

It is an arithmetic number, because the mean of its divisors is an integer number (527551324650).

Almost surely, 2^{6531543101135} is an apocalyptic number.

6531543101135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6531543101135 is a deficient number, since it is larger than the sum of its proper divisors (1909278093265).

6531543101135 is a wasteful number, since it uses less digits than its factorization.

6531543101135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688138.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 6531543101135 in words is "six trillion, five hundred thirty-one billion, five hundred forty-three million, one hundred one thousand, one hundred thirty-five".