11506077091 has 8 divisors (see below), whose sum is σ = 11904624000. Its totient is φ = 11107649280.

The previous prime is 11506077067. The next prime is 11506077119. The reversal of 11506077091 is 19077060511.

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 11506077091 - 2⁹ = 11506076579 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 11506077091.

It is not an unprimeable number, because it can be changed into a prime (11506077001) 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, 195886 + ... + 247756.

It is an arithmetic number, because the mean of its divisors is an integer number (1488078000).

Almost surely, 2^11506077091 is an apocalyptic number.

11506077091 is a deficient number, since it is larger than the sum of its proper divisors (398546909).

11506077091 is an equidigital number, since it uses as much as digits as its factorization.

11506077091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59549.

The product of its (nonzero) digits is 13230, while the sum is 37.

The spelling of 11506077091 in words is "eleven billion, five hundred six million, seventy-seven thousand, ninety-one".