10011055505550 has 96 divisors (see below), whose sum is σ = 28262040756480. Its totient is φ = 2321404166400.

The previous prime is 10011055505519. The next prime is 10011055505579. The reversal of 10011055505550 is 5550555011001.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131860015 + ... + 131935914.

It is an arithmetic number, because the mean of its divisors is an integer number (294396257880).

Almost surely, 2^{10011055505550} is an apocalyptic number.

10011055505550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10011055505550 is an abundant number, since it is smaller than the sum of its proper divisors (18250985250930).

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

10011055505550 is a wasteful number, since it uses less digits than its factorization.

10011055505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263795978 (or 263795973 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 10011055505550 in words is "ten trillion, eleven billion, fifty-five million, five hundred five thousand, five hundred fifty".