100561063452 has 12 divisors (see below), whose sum is σ = 234642481416. Its totient is φ = 33520354480.

The previous prime is 100561063439. The next prime is 100561063459. The reversal of 100561063452 is 254360165001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×100561063452² (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 (100561063459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4190044299 + ... + 4190044322.

It is an arithmetic number, because the mean of its divisors is an integer number (19553540118).

Almost surely, 2^100561063452 is an apocalyptic number.

100561063452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100561063452 is an abundant number, since it is smaller than the sum of its proper divisors (134081417964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100561063452 is a wasteful number, since it uses less digits than its factorization.

100561063452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380088628 (or 8380088626 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 100561063452 in words is "one hundred billion, five hundred sixty-one million, sixty-three thousand, four hundred fifty-two".