6611212745 has 8 divisors (see below), whose sum is σ = 8007600384. Its totient is φ = 5239540144.

The previous prime is 6611212639. The next prime is 6611212771. The reversal of 6611212745 is 5472121166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6611212745 - 2¹⁰ = 6611211721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6178169 + ... + 6179238.

It is an arithmetic number, because the mean of its divisors is an integer number (1000950048).

Almost surely, 2^6611212745 is an apocalyptic number.

It is an amenable number.

6611212745 is a deficient number, since it is larger than the sum of its proper divisors (1396387639).

6611212745 is a wasteful number, since it uses less digits than its factorization.

6611212745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357519.

The product of its digits is 20160, while the sum is 35.

The square root of 6611212745 is about 81309.3644360845. The cubic root of 6611212745 is about 1876.8391076264.

The spelling of 6611212745 in words is "six billion, six hundred eleven million, two hundred twelve thousand, seven hundred forty-five".