11791029813 has 32 divisors (see below), whose sum is σ = 17067843072. Its totient is φ = 7211212800.

The previous prime is 11791029799. The next prime is 11791029821. The reversal of 11791029813 is 31892019711.

It is not a de Polignac number, because 11791029813 - 2⁹ = 11791029301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11791029863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3245508 + ... + 3249138.

It is an arithmetic number, because the mean of its divisors is an integer number (533370096).

Almost surely, 2^11791029813 is an apocalyptic number.

It is an amenable number.

11791029813 is a deficient number, since it is larger than the sum of its proper divisors (5276813259).

11791029813 is a wasteful number, since it uses less digits than its factorization.

11791029813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245.

The product of its (nonzero) digits is 27216, while the sum is 42.

The spelling of 11791029813 in words is "eleven billion, seven hundred ninety-one million, twenty-nine thousand, eight hundred thirteen".