11621831602855 has 8 divisors (see below), whose sum is σ = 14174824119264. Its totient is φ = 9145047818400.

The previous prime is 11621831602831. The next prime is 11621831602907. The reversal of 11621831602855 is 55820613812611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11621831602855 - 2⁷ = 11621831602727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11621831602799 and 11621831602808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19052182651 + ... + 19052183260.

It is an arithmetic number, because the mean of its divisors is an integer number (1771853014908).

Almost surely, 2^{11621831602855} is an apocalyptic number.

11621831602855 is a deficient number, since it is larger than the sum of its proper divisors (2552992516409).

11621831602855 is an equidigital number, since it uses as much as digits as its factorization.

11621831602855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38104365977.

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 11621831602855 in words is "eleven trillion, six hundred twenty-one billion, eight hundred thirty-one million, six hundred two thousand, eight hundred fifty-five".