26220145124 has 6 divisors (see below), whose sum is σ = 45885253974. Its totient is φ = 13110072560.

The previous prime is 26220145093. The next prime is 26220145181. The reversal of 26220145124 is 42154102262.

It can be written as a sum of positive squares in only one way, i.e., 16973399524 + 9246745600 = 130282^2 + 96160^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277518137 + ... + 3277518144.

It is an arithmetic number, because the mean of its divisors is an integer number (7647542329).

Almost surely, 2^26220145124 is an apocalyptic number.

It is an amenable number.

26220145124 is a deficient number, since it is larger than the sum of its proper divisors (19665108850).

26220145124 is a wasteful number, since it uses less digits than its factorization.

26220145124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555036285 (or 6555036283 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 26220145124 its reverse (42154102262), we get a palindrome (68374247386).

The spelling of 26220145124 in words is "twenty-six billion, two hundred twenty million, one hundred forty-five thousand, one hundred twenty-four".