10245454015021 has 2 divisors, whose sum is σ = 10245454015022. Its totient is φ = 10245454015020.

The previous prime is 10245454015007. The next prime is 10245454015031. The reversal of 10245454015021 is 12051045454201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5992145868996 + 4253308146025 = 2447886^2 + 2062355^2 .

It is a cyclic number.

It is not a de Polignac number, because 10245454015021 - 2³¹ = 10243306531373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10245454015031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122727007510 + 5122727007511.

It is an arithmetic number, because the mean of its divisors is an integer number (5122727007511).

Almost surely, 2^{10245454015021} is an apocalyptic number.

It is an amenable number.

10245454015021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10245454015021 is an equidigital number, since it uses as much as digits as its factorization.

10245454015021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 10245454015021 its reverse (12051045454201), we get a palindrome (22296499469222).

The spelling of 10245454015021 in words is "ten trillion, two hundred forty-five billion, four hundred fifty-four million, fifteen thousand, twenty-one".