105560664451 has 4 divisors (see below), whose sum is σ = 115157088504. Its totient is φ = 95964240400.

The previous prime is 105560664383. The next prime is 105560664457. The reversal of 105560664451 is 154466065501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105560664451 - 2⁹ = 105560663939 is a prime.

It is a super-2 number, since 2×105560664451² (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 = 105560664398 and 105560664407.

It is not an unprimeable number, because it can be changed into a prime (105560664457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4798212010 + ... + 4798212031.

It is an arithmetic number, because the mean of its divisors is an integer number (28789272126).

Almost surely, 2^105560664451 is an apocalyptic number.

105560664451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105560664451 is a deficient number, since it is larger than the sum of its proper divisors (9596424053).

105560664451 is an equidigital number, since it uses as much as digits as its factorization.

105560664451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596424052.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 105560664451 in words is "one hundred five billion, five hundred sixty million, six hundred sixty-four thousand, four hundred fifty-one".