21314626055 has 8 divisors (see below), whose sum is σ = 25583078544. Its totient is φ = 17048016000.

The previous prime is 21314625971. The next prime is 21314626093. The reversal of 21314626055 is 55062641312.

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

It is not a de Polignac number, because 21314626055 - 2¹⁸ = 21314363911 is a prime.

It is a Duffinian number.

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, 435026 + ... + 481535.

It is an arithmetic number, because the mean of its divisors is an integer number (3197884818).

Almost surely, 2^21314626055 is an apocalyptic number.

21314626055 is a deficient number, since it is larger than the sum of its proper divisors (4268452489).

21314626055 is an equidigital number, since it uses as much as digits as its factorization.

21314626055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921217.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 21314626055 in words is "twenty-one billion, three hundred fourteen million, six hundred twenty-six thousand, fifty-five".