100511165005550 has 96 divisors (see below), whose sum is σ = 206225401479552. Its totient is φ = 36214416967680.

The previous prime is 100511165005547. The next prime is 100511165005567. The reversal of 100511165005550 is 55500561115001.

It is a self number, because there is not a number n which added to its sum of digits gives 100511165005550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5413964 + ... + 15176736.

It is an arithmetic number, because the mean of its divisors is an integer number (2148181265412).

Almost surely, 2^{100511165005550} is an apocalyptic number.

100511165005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100511165005550 is an abundant number, since it is smaller than the sum of its proper divisors (105714236474002).

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

100511165005550 is a wasteful number, since it uses less digits than its factorization.

100511165005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763182 (or 9763177 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 100511165005550 in words is "one hundred trillion, five hundred eleven billion, one hundred sixty-five million, five thousand, five hundred fifty".