11672778895 has 4 divisors (see below), whose sum is σ = 14007334680. Its totient is φ = 9338223112.

The previous prime is 11672778889. The next prime is 11672778911. The reversal of 11672778895 is 59887727611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59887727611 = 31 ⋅1931862181.

It is a cyclic number.

It is not a de Polignac number, because 11672778895 - 2¹¹ = 11672776847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167277885 + ... + 1167277894.

It is an arithmetic number, because the mean of its divisors is an integer number (3501833670).

Almost surely, 2^11672778895 is an apocalyptic number.

11672778895 is a deficient number, since it is larger than the sum of its proper divisors (2334555785).

11672778895 is an equidigital number, since it uses as much as digits as its factorization.

11672778895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334555784.

The product of its digits is 11854080, while the sum is 61.

The spelling of 11672778895 in words is "eleven billion, six hundred seventy-two million, seven hundred seventy-eight thousand, eight hundred ninety-five".