105054455555 has 16 divisors (see below), whose sum is σ = 148722253824. Its totient is φ = 69713555040.

The previous prime is 105054455551. The next prime is 105054455573. The reversal of 105054455555 is 555554450501.

It is a happy number.

It is not a de Polignac number, because 105054455555 - 2² = 105054455551 is a prime.

It is a super-2 number, since 2×105054455555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105054455551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48411107 + ... + 48413276.

It is an arithmetic number, because the mean of its divisors is an integer number (9295140864).

Almost surely, 2^105054455555 is an apocalyptic number.

105054455555 is a deficient number, since it is larger than the sum of its proper divisors (43667798269).

105054455555 is an equidigital number, since it uses as much as digits as its factorization.

105054455555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96824426.

The product of its (nonzero) digits is 1250000, while the sum is 44.

The spelling of 105054455555 in words is "one hundred five billion, fifty-four million, four hundred fifty-five thousand, five hundred fifty-five".