105512551004 has 12 divisors (see below), whose sum is σ = 211025102064. Its totient is φ = 45219664704.

The previous prime is 105512550967. The next prime is 105512551073. The reversal of 105512551004 is 400155215501.

105512551004 is an admirable number.

It is a super-2 number, since 2×105512551004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884152669 + ... + 1884152724.

It is an arithmetic number, because the mean of its divisors is an integer number (17585425172).

Almost surely, 2^105512551004 is an apocalyptic number.

105512551004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105512551004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

105512551004 is a wasteful number, since it uses less digits than its factorization.

105512551004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768305404 (or 3768305402 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 105512551004 its reverse (400155215501), we get a palindrome (505667766505).

The spelling of 105512551004 in words is "one hundred five billion, five hundred twelve million, five hundred fifty-one thousand, four".