63220435111025 has 12 divisors (see below), whose sum is σ = 78496897473372. Its totient is φ = 50509536517440.

The previous prime is 63220435111021. The next prime is 63220435111033. The reversal of 63220435111025 is 52011153402236.

It can be written as a sum of positive squares in 6 ways, for example, as 534768975841 + 62685666135184 = 731279^2 + 7917428^2 .

It is not a de Polignac number, because 63220435111025 - 2² = 63220435111021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63220435111021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1670269982 + ... + 1670307831.

It is an arithmetic number, because the mean of its divisors is an integer number (6541408122781).

Almost surely, 2^{63220435111025} is an apocalyptic number.

It is an amenable number.

63220435111025 is a deficient number, since it is larger than the sum of its proper divisors (15276462362347).

63220435111025 is a wasteful number, since it uses less digits than its factorization.

63220435111025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340578580 (or 3340578575 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 63220435111025 in words is "sixty-three trillion, two hundred twenty billion, four hundred thirty-five million, one hundred eleven thousand, twenty-five".