11954408895 has 80 divisors (see below), whose sum is σ = 25175902752. Its totient is φ = 5350199040.

The previous prime is 11954408863. The next prime is 11954408897. The reversal of 11954408895 is 59880445911.

11954408895 is a `hidden beast` number, since 1 + 1 + 9 + 544 + 0 + 8 + 8 + 95 = 666.

It is not a de Polignac number, because 11954408895 - 2⁵ = 11954408863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11954408897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 45292 + ... + 161121.

Almost surely, 2^11954408895 is an apocalyptic number.

11954408895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11954408895 is an abundant number, since it is smaller than the sum of its proper divisors (13221493857).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11954408895 is a wasteful number, since it uses less digits than its factorization.

11954408895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206454 (or 206445 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 11954408895 in words is "eleven billion, nine hundred fifty-four million, four hundred eight thousand, eight hundred ninety-five".