455555111512 has 8 divisors (see below), whose sum is σ = 854165834100. Its totient is φ = 227777555752.

The previous prime is 455555111503. The next prime is 455555111617. The reversal of 455555111512 is 215111555554.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×455555111512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28472194462 + ... + 28472194477.

Almost surely, 2^455555111512 is an apocalyptic number.

It is an amenable number.

455555111512 is a deficient number, since it is larger than the sum of its proper divisors (398610722588).

455555111512 is a wasteful number, since it uses less digits than its factorization.

455555111512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56944388945 (or 56944388941 counting only the distinct ones).

The product of its digits is 125000, while the sum is 40.

The spelling of 455555111512 in words is "four hundred fifty-five billion, five hundred fifty-five million, one hundred eleven thousand, five hundred twelve".