1206115711 has 8 divisors (see below), whose sum is σ = 1279581840. Its totient is φ = 1132929408.

The previous prime is 1206115693. The next prime is 1206115721. The reversal of 1206115711 is 1175116021.

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 1206115711 - 2¹³ = 1206107519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206115721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61041 + ... + 78346.

It is an arithmetic number, because the mean of its divisors is an integer number (159947730).

Almost surely, 2^1206115711 is an apocalyptic number.

1206115711 is a deficient number, since it is larger than the sum of its proper divisors (73466129).

1206115711 is a wasteful number, since it uses less digits than its factorization.

1206115711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139913.

The product of its (nonzero) digits is 420, while the sum is 25.

The square root of 1206115711 is about 34729.1766530680. The cubic root of 1206115711 is about 1064.4607645841.

It can be divided in two parts, 12061 and 15711, that added together give a palindrome (27772).

The spelling of 1206115711 in words is "one billion, two hundred six million, one hundred fifteen thousand, seven hundred eleven".