105120551304 has 40 divisors (see below), whose sum is σ = 294434879310. Its totient is φ = 35040183552.

The previous prime is 105120551303. The next prime is 105120551309. The reversal of 105120551304 is 403155021501.

105120551304 is a `hidden beast` number, since 10 + 51 + 20 + 551 + 30 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 91326048804 + 13794502500 = 302202^2 + 117450^2 .

It is a super-2 number, since 2×105120551304² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (105120551303) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81110889 + ... + 81112184.

Almost surely, 2^105120551304 is an apocalyptic number.

It is an amenable number.

105120551304 is an abundant number, since it is smaller than the sum of its proper divisors (189314328006).

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

105120551304 is a wasteful number, since it uses less digits than its factorization.

105120551304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162223091 (or 162223078 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 105120551304 its reverse (403155021501), we get a palindrome (508275572805).

The spelling of 105120551304 in words is "one hundred five billion, one hundred twenty million, five hundred fifty-one thousand, three hundred four".