10621273556005 has 48 divisors (see below), whose sum is σ = 15485261016960. Its totient is φ = 6848422948224.

The previous prime is 10621273555961. The next prime is 10621273556027. The reversal of 10621273556005 is 50065537212601.

It is not a de Polignac number, because 10621273556005 - 2¹³ = 10621273547813 is a prime.

It is a super-2 number, since 2×10621273556005² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3769122 + ... + 5953891.

It is an arithmetic number, because the mean of its divisors is an integer number (322609604520).

Almost surely, 2^{10621273556005} is an apocalyptic number.

It is an amenable number.

10621273556005 is a deficient number, since it is larger than the sum of its proper divisors (4863987460955).

10621273556005 is an equidigital number, since it uses as much as digits as its factorization.

10621273556005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9723130 (or 9723107 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 10621273556005 in words is "ten trillion, six hundred twenty-one billion, two hundred seventy-three million, five hundred fifty-six thousand, five".