105451556650 has 48 divisors (see below), whose sum is σ = 216176788800. Its totient is φ = 37950681600.

The previous prime is 105451556641. The next prime is 105451556653. The reversal of 105451556650 is 56655154501.

It is a super-2 number, since 2×105451556650² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105451556597 and 105451556606.

It is not an unprimeable number, because it can be changed into a prime (105451556653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934950 + ... + 1041649.

It is an arithmetic number, because the mean of its divisors is an integer number (4503683100).

Almost surely, 2^105451556650 is an apocalyptic number.

105451556650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105451556650 is an abundant number, since it is smaller than the sum of its proper divisors (110725232150).

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

105451556650 is a wasteful number, since it uses less digits than its factorization.

105451556650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976719 (or 1976714 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 105451556650 in words is "one hundred five billion, four hundred fifty-one million, five hundred fifty-six thousand, six hundred fifty".