100561835935551 has 8 divisors (see below), whose sum is σ = 138705980600880. Its totient is φ = 64729457613632.

The previous prime is 100561835935499. The next prime is 100561835935553. The reversal of 100561835935551 is 155539538165001.

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

It is a cyclic number.

It is not a de Polignac number, because 100561835935551 - 2⁷ = 100561835935423 is a prime.

It is a super-2 number, since 2×100561835935551² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100561835935491 and 100561835935500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100561835935553) 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, 577941585750 + ... + 577941585923.

It is an arithmetic number, because the mean of its divisors is an integer number (17338247575110).

Almost surely, 2^{100561835935551} is an apocalyptic number.

100561835935551 is a deficient number, since it is larger than the sum of its proper divisors (38144144665329).

100561835935551 is a wasteful number, since it uses less digits than its factorization.

100561835935551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155883171705.

The product of its (nonzero) digits is 12150000, while the sum is 57.

The spelling of 100561835935551 in words is "one hundred trillion, five hundred sixty-one billion, eight hundred thirty-five million, nine hundred thirty-five thousand, five hundred fifty-one".