100544545651 has 32 divisors (see below), whose sum is σ = 111569342976. Its totient is φ = 89849760000.

The previous prime is 100544545643. The next prime is 100544545679. The reversal of 100544545651 is 156545445001.

It is not a de Polignac number, because 100544545651 - 2³ = 100544545643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100544543651) 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, 138300250 + ... + 138300976.

It is an arithmetic number, because the mean of its divisors is an integer number (3486541968).

Almost surely, 2^100544545651 is an apocalyptic number.

100544545651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100544545651 is a deficient number, since it is larger than the sum of its proper divisors (11024797325).

100544545651 is a wasteful number, since it uses less digits than its factorization.

100544545651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 100544545651 in words is "one hundred billion, five hundred forty-four million, five hundred forty-five thousand, six hundred fifty-one".