6211788858261 has 36 divisors (see below), whose sum is σ = 10437932887200. Its totient is φ = 3549444908688.

The previous prime is 6211788858259. The next prime is 6211788858269. The reversal of 6211788858261 is 1628588871126.

6211788858261 is a `hidden beast` number, since 6 + 211 + 7 + 88 + 85 + 8 + 261 = 666.

It is not a de Polignac number, because 6211788858261 - 2¹ = 6211788858259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6211788858269) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10706650 + ... + 11271908.

It is an arithmetic number, because the mean of its divisors is an integer number (289942580200).

Almost surely, 2^{6211788858261} is an apocalyptic number.

It is an amenable number.

6211788858261 is a deficient number, since it is larger than the sum of its proper divisors (4226144028939).

6211788858261 is a wasteful number, since it uses less digits than its factorization.

6211788858261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590198 (or 590188 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 63.

The spelling of 6211788858261 in words is "six trillion, two hundred eleven billion, seven hundred eighty-eight million, eight hundred fifty-eight thousand, two hundred sixty-one".