105561202036 has 6 divisors (see below), whose sum is σ = 184732103570. Its totient is φ = 52780601016.

The previous prime is 105561202031. The next prime is 105561202039. The reversal of 105561202036 is 630202165501.

It can be written as a sum of positive squares in only one way, i.e., 78011841636 + 27549360400 = 279306^2 + 165980^2 .

It is a super-2 number, since 2×105561202036² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105561201989 and 105561202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105561202031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13195150251 + ... + 13195150258.

Almost surely, 2^105561202036 is an apocalyptic number.

It is an amenable number.

105561202036 is a deficient number, since it is larger than the sum of its proper divisors (79170901534).

105561202036 is a wasteful number, since it uses less digits than its factorization.

105561202036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26390300513 (or 26390300511 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 105561202036 its reverse (630202165501), we get a palindrome (735763367537).

The spelling of 105561202036 in words is "one hundred five billion, five hundred sixty-one million, two hundred two thousand, thirty-six".