6511101602461 has 4 divisors (see below), whose sum is σ = 6621459256800. Its totient is φ = 6400743948124.

The previous prime is 6511101602459. The next prime is 6511101602471. The reversal of 6511101602461 is 1642061011156.

6511101602461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6511101602461 - 2¹ = 6511101602459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6511101602471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55178827081 + ... + 55178827198.

It is an arithmetic number, because the mean of its divisors is an integer number (1655364814200).

Almost surely, 2^{6511101602461} is an apocalyptic number.

It is an amenable number.

6511101602461 is a deficient number, since it is larger than the sum of its proper divisors (110357654339).

6511101602461 is a wasteful number, since it uses less digits than its factorization.

6511101602461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110357654338.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 6511101602461 in words is "six trillion, five hundred eleven billion, one hundred one million, six hundred two thousand, four hundred sixty-one".