100563521446 has 16 divisors (see below), whose sum is σ = 153815040288. Its totient is φ = 49299667200.

The previous prime is 100563521431. The next prime is 100563521447. The reversal of 100563521446 is 644125365001.

It is a super-2 number, since 2×100563521446² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100563521447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930635 + ... + 1982038.

It is an arithmetic number, because the mean of its divisors is an integer number (9613440018).

Almost surely, 2^100563521446 is an apocalyptic number.

100563521446 is a deficient number, since it is larger than the sum of its proper divisors (53251518842).

100563521446 is a wasteful number, since it uses less digits than its factorization.

100563521446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912927.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 100563521446 its reverse (644125365001), we get a palindrome (744688886447).

The spelling of 100563521446 in words is "one hundred billion, five hundred sixty-three million, five hundred twenty-one thousand, four hundred forty-six".