6511115505662 has 4 divisors (see below), whose sum is σ = 9766673258496. Its totient is φ = 3255557752830.

The previous prime is 6511115505637. The next prime is 6511115505673. The reversal of 6511115505662 is 2665055111156.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627778876414 + ... + 1627778876417.

It is an arithmetic number, because the mean of its divisors is an integer number (2441668314624).

Almost surely, 2^{6511115505662} is an apocalyptic number.

6511115505662 is a deficient number, since it is larger than the sum of its proper divisors (3255557752834).

6511115505662 is a wasteful number, since it uses less digits than its factorization.

6511115505662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255557752833.

The product of its (nonzero) digits is 270000, while the sum is 44.

The spelling of 6511115505662 in words is "six trillion, five hundred eleven billion, one hundred fifteen million, five hundred five thousand, six hundred sixty-two".