6503135578700 has 72 divisors (see below), whose sum is σ = 14282084586000. Its totient is φ = 2570002940160.

The previous prime is 6503135578663. The next prime is 6503135578781. The reversal of 6503135578700 is 78755313056.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2949347 + ... + 4658853.

Almost surely, 2^{6503135578700} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6503135578700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7141042293000).

6503135578700 is an abundant number, since it is smaller than the sum of its proper divisors (7778949007300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6503135578700 is a wasteful number, since it uses less digits than its factorization.

6503135578700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709979 (or 1709972 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 6503135578700 in words is "six trillion, five hundred three billion, one hundred thirty-five million, five hundred seventy-eight thousand, seven hundred".