11587798601 has 4 divisors (see below), whose sum is σ = 11751007104. Its totient is φ = 11424590100.

The previous prime is 11587798517. The next prime is 11587798609. The reversal of 11587798601 is 10689778511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11587798601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11587798609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81604145 + ... + 81604286.

It is an arithmetic number, because the mean of its divisors is an integer number (2937751776).

Almost surely, 2^11587798601 is an apocalyptic number.

It is an amenable number.

11587798601 is a deficient number, since it is larger than the sum of its proper divisors (163208503).

11587798601 is an equidigital number, since it uses as much as digits as its factorization.

11587798601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163208502.

The product of its (nonzero) digits is 846720, while the sum is 53.

The spelling of 11587798601 in words is "eleven billion, five hundred eighty-seven million, seven hundred ninety-eight thousand, six hundred one".