10561100100 has 36 divisors (see below), whose sum is σ = 30556783824. Its totient is φ = 2816293280.

The previous prime is 10561100083. The next prime is 10561100101. The reversal of 10561100100 is 100116501.

It is a super-2 number, since 2×10561100100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10561100100.

It is not an unprimeable number, because it can be changed into a prime (10561100101) 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, 17601534 + ... + 17602133.

Almost surely, 2^10561100100 is an apocalyptic number.

10561100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10561100100 is an abundant number, since it is smaller than the sum of its proper divisors (19995683724).

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

10561100100 is a wasteful number, since it uses less digits than its factorization.

10561100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35203684 (or 35203677 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 10561100100 its reverse (100116501), we get a palindrome (10661216601).

The spelling of 10561100100 in words is "ten billion, five hundred sixty-one million, one hundred thousand, one hundred".