11712787895 has 8 divisors (see below), whose sum is σ = 14435219904. Its totient is φ = 9116980704.

The previous prime is 11712787871. The next prime is 11712787901. The reversal of 11712787895 is 59878721711.

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 11712787895 - 2⁶ = 11712787831 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 11712787895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31655999 + ... + 31656368.

It is an arithmetic number, because the mean of its divisors is an integer number (1804402488).

Almost surely, 2^11712787895 is an apocalyptic number.

11712787895 is a deficient number, since it is larger than the sum of its proper divisors (2722432009).

11712787895 is an equidigital number, since it uses as much as digits as its factorization.

11712787895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63312409.

The product of its digits is 1975680, while the sum is 56.

The spelling of 11712787895 in words is "eleven billion, seven hundred twelve million, seven hundred eighty-seven thousand, eight hundred ninety-five".