105520455474 has 32 divisors (see below), whose sum is σ = 247708254336. Its totient is φ = 29333871360.

The previous prime is 105520455473. The next prime is 105520455497. The reversal of 105520455474 is 474554025501.

It is a super-2 number, since 2×105520455474² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (105520455473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33949687 + ... + 33952794.

It is an arithmetic number, because the mean of its divisors is an integer number (7740882948).

Almost surely, 2^105520455474 is an apocalyptic number.

105520455474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105520455474 is an abundant number, since it is smaller than the sum of its proper divisors (142187798862).

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

105520455474 is a wasteful number, since it uses less digits than its factorization.

105520455474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67902530.

The product of its (nonzero) digits is 560000, while the sum is 42.

The spelling of 105520455474 in words is "one hundred five billion, five hundred twenty million, four hundred fifty-five thousand, four hundred seventy-four".