10203643222505 has 8 divisors (see below), whose sum is σ = 12317691460032. Its totient is φ = 8114034849328.

The previous prime is 10203643222483. The next prime is 10203643222541. The reversal of 10203643222505 is 50522234630201.

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

It is a cyclic number.

It is not a de Polignac number, because 10203643222505 - 2²⁸ = 10203374787049 is a prime.

It is a super-2 number, since 2×10203643222505² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 6109965167 + ... + 6109966836.

It is an arithmetic number, because the mean of its divisors is an integer number (1539711432504).

Almost surely, 2^{10203643222505} is an apocalyptic number.

It is an amenable number.

10203643222505 is a deficient number, since it is larger than the sum of its proper divisors (2114048237527).

10203643222505 is a wasteful number, since it uses less digits than its factorization.

10203643222505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219932175.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 10203643222505 its reverse (50522234630201), we get a palindrome (60725877852706).

The spelling of 10203643222505 in words is "ten trillion, two hundred three billion, six hundred forty-three million, two hundred twenty-two thousand, five hundred five".