100811853953 has 2 divisors, whose sum is σ = 100811853954. Its totient is φ = 100811853952.

The previous prime is 100811853941. The next prime is 100811853997. The reversal of 100811853953 is 359358118001.

It is a happy number.

It is an a-pointer prime, because the next prime (100811853997) can be obtained adding 100811853953 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92742784369 + 8069069584 = 304537^2 + 89828^2 .

It is a cyclic number.

It is not a de Polignac number, because 100811853953 - 2¹⁰ = 100811852929 is a prime.

It is not a weakly prime, because it can be changed into another prime (100811853553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50405926976 + 50405926977.

It is an arithmetic number, because the mean of its divisors is an integer number (50405926977).

Almost surely, 2^100811853953 is an apocalyptic number.

It is an amenable number.

100811853953 is a deficient number, since it is larger than the sum of its proper divisors (1).

100811853953 is an equidigital number, since it uses as much as digits as its factorization.

100811853953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 100811853953 in words is "one hundred billion, eight hundred eleven million, eight hundred fifty-three thousand, nine hundred fifty-three".