10220534155145 has 4 divisors (see below), whose sum is σ = 12264640986180. Its totient is φ = 8176427324112.

The previous prime is 10220534155123. The next prime is 10220534155151. The reversal of 10220534155145 is 54155143502201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6699747261769 + 3520786893376 = 2588387^2 + 1876376^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220534155145 - 2⁸ = 10220534154889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220534155099 and 10220534155108.

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 3 ways as a sum of consecutive naturals, for example, 1022053415510 + ... + 1022053415519.

It is an arithmetic number, because the mean of its divisors is an integer number (3066160246545).

Almost surely, 2^{10220534155145} is an apocalyptic number.

It is an amenable number.

10220534155145 is a deficient number, since it is larger than the sum of its proper divisors (2044106831035).

10220534155145 is an equidigital number, since it uses as much as digits as its factorization.

10220534155145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044106831034.

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 10220534155145 its reverse (54155143502201), we get a palindrome (64375677657346).

The spelling of 10220534155145 in words is "ten trillion, two hundred twenty billion, five hundred thirty-four million, one hundred fifty-five thousand, one hundred forty-five".