100105642770554 has 16 divisors (see below), whose sum is σ = 155735664481800. Its totient is φ = 48202628437824.

The previous prime is 100105642770499. The next prime is 100105642770569. The reversal of 100105642770554 is 455077246501001.

It can be written as a sum of positive squares in 4 ways, for example, as 94761561048025 + 5344081722529 = 9734555^2 + 2311727^2 .

It is a super-2 number, since 2×100105642770554² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100105642770499 and 100105642770508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218434197 + ... + 2218479320.

Almost surely, 2^{100105642770554} is an apocalyptic number.

100105642770554 is a deficient number, since it is larger than the sum of its proper divisors (55630021711246).

100105642770554 is a wasteful number, since it uses less digits than its factorization.

100105642770554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436913937.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 100105642770554 in words is "one hundred trillion, one hundred five billion, six hundred forty-two million, seven hundred seventy thousand, five hundred fifty-four".