10445351243521 has 2 divisors, whose sum is σ = 10445351243522. Its totient is φ = 10445351243520.

The previous prime is 10445351243489. The next prime is 10445351243539. The reversal of 10445351243521 is 12534215354401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7596307699600 + 2849043543921 = 2756140^2 + 1687911^2 .

It is a cyclic number.

It is not a de Polignac number, because 10445351243521 - 2⁵ = 10445351243489 is a prime.

It is not a weakly prime, because it can be changed into another prime (10445351247521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222675621760 + 5222675621761.

It is an arithmetic number, because the mean of its divisors is an integer number (5222675621761).

Almost surely, 2^{10445351243521} is an apocalyptic number.

It is an amenable number.

10445351243521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10445351243521 is an equidigital number, since it uses as much as digits as its factorization.

10445351243521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 10445351243521 its reverse (12534215354401), we get a palindrome (22979566597922).

The spelling of 10445351243521 in words is "ten trillion, four hundred forty-five billion, three hundred fifty-one million, two hundred forty-three thousand, five hundred twenty-one".