105605315454 has 16 divisors (see below), whose sum is σ = 211352686848. Its totient is φ = 35178095832.

The previous prime is 105605315407. The next prime is 105605315509. The reversal of 105605315454 is 454513506501.

It is a super-2 number, since 2×105605315454² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 5909332 + ... + 5927175.

It is an arithmetic number, because the mean of its divisors is an integer number (13209542928).

Almost surely, 2^105605315454 is an apocalyptic number.

105605315454 is an abundant number, since it is smaller than the sum of its proper divisors (105747371394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105605315454 is a wasteful number, since it uses less digits than its factorization.

105605315454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837999.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 105605315454 in words is "one hundred five billion, six hundred five million, three hundred fifteen thousand, four hundred fifty-four".