105555613650 has 48 divisors (see below), whose sum is σ = 262047879648. Its totient is φ = 28119136000.

The previous prime is 105555613627. The next prime is 105555613673. The reversal of 105555613650 is 56316555501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105555613627) and next prime (105555613673).

It is a super-2 number, since 2×105555613650² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216711 + ... + 508010.

It is an arithmetic number, because the mean of its divisors is an integer number (5459330826).

Almost surely, 2^105555613650 is an apocalyptic number.

105555613650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105555613650 is an abundant number, since it is smaller than the sum of its proper divisors (156492265998).

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

105555613650 is a wasteful number, since it uses less digits than its factorization.

105555613650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725707 (or 725702 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 42.

The spelling of 105555613650 in words is "one hundred five billion, five hundred fifty-five million, six hundred thirteen thousand, six hundred fifty".