105551352250 has 64 divisors (see below), whose sum is σ = 205214199840. Its totient is φ = 40617561600.

The previous prime is 105551352233. The next prime is 105551352253. The reversal of 105551352250 is 52253155501.

It can be written as a sum of positive squares in 16 ways, for example, as 5114967361 + 100436384889 = 71519^2 + 316917^2 .

It is a super-2 number, since 2×105551352250² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105551352253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759144 + ... + 887356.

Almost surely, 2^105551352250 is an apocalyptic number.

105551352250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105551352250 is a deficient number, since it is larger than the sum of its proper divisors (99662847590).

105551352250 is a wasteful number, since it uses less digits than its factorization.

105551352250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128356 (or 128346 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 105551352250 in words is "one hundred five billion, five hundred fifty-one million, three hundred fifty-two thousand, two hundred fifty".