1405015510055 has 4 divisors (see below), whose sum is σ = 1686018612072. Its totient is φ = 1124012408040.

The previous prime is 1405015510051. The next prime is 1405015510061. The reversal of 1405015510055 is 5500155105041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1405015510055 - 2² = 1405015510051 is a prime.

It is a super-2 number, since 2×1405015510055² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405015510051) 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 3 ways as a sum of consecutive naturals, for example, 140501551001 + ... + 140501551010.

It is an arithmetic number, because the mean of its divisors is an integer number (421504653018).

Almost surely, 2^{1405015510055} is an apocalyptic number.

1405015510055 is a deficient number, since it is larger than the sum of its proper divisors (281003102017).

1405015510055 is an equidigital number, since it uses as much as digits as its factorization.

1405015510055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281003102016.

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 1405015510055 in words is "one trillion, four hundred five billion, fifteen million, five hundred ten thousand, fifty-five".