11530720711 has 8 divisors (see below), whose sum is σ = 11929536000. Its totient is φ = 11131985760.

The previous prime is 11530720693. The next prime is 11530720727. The reversal of 11530720711 is 11702703511.

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 11530720711 - 2⁷ = 11530720583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11530720711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530720211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504765 + ... + 527113.

It is an arithmetic number, because the mean of its divisors is an integer number (1491192000).

Almost surely, 2^11530720711 is an apocalyptic number.

11530720711 is a deficient number, since it is larger than the sum of its proper divisors (398815289).

11530720711 is a wasteful number, since it uses less digits than its factorization.

11530720711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40169.

The product of its (nonzero) digits is 1470, while the sum is 28.

The spelling of 11530720711 in words is "eleven billion, five hundred thirty million, seven hundred twenty thousand, seven hundred eleven".