6611363261205 has 16 divisors (see below), whose sum is σ = 10591936998720. Its totient is φ = 3521475145728.

The previous prime is 6611363261099. The next prime is 6611363261231. The reversal of 6611363261205 is 5021623631166.

It is not a de Polignac number, because 6611363261205 - 2¹⁸ = 6611362999061 is a prime.

It is a super-2 number, since 2×6611363261205² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 286566847 + ... + 286589916.

It is an arithmetic number, because the mean of its divisors is an integer number (661996062420).

Almost surely, 2^{6611363261205} is an apocalyptic number.

It is an amenable number.

6611363261205 is a deficient number, since it is larger than the sum of its proper divisors (3980573737515).

6611363261205 is a wasteful number, since it uses less digits than its factorization.

6611363261205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573157540.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 6611363261205 in words is "six trillion, six hundred eleven billion, three hundred sixty-three million, two hundred sixty-one thousand, two hundred five".