100561663133 has 8 divisors (see below), whose sum is σ = 106737397560. Its totient is φ = 94414855680.

The previous prime is 100561663019. The next prime is 100561663157. The reversal of 100561663133 is 331366165001.

It can be written as a sum of positive squares in 4 ways, for example, as 24179628004 + 76382035129 = 155498^2 + 276373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100561663133 - 2²⁶ = 100494554269 is a prime.

It is a super-2 number, since 2×100561663133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100561663093 and 100561663102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100561603133) 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, 7224578 + ... + 7238483.

It is an arithmetic number, because the mean of its divisors is an integer number (13342174695).

Almost surely, 2^100561663133 is an apocalyptic number.

It is an amenable number.

100561663133 is a deficient number, since it is larger than the sum of its proper divisors (6175734427).

100561663133 is a wasteful number, since it uses less digits than its factorization.

100561663133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463487.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 100561663133 in words is "one hundred billion, five hundred sixty-one million, six hundred sixty-three thousand, one hundred thirty-three".