105542255455 has 16 divisors (see below), whose sum is σ = 155877793344. Its totient is φ = 66804768000.

The previous prime is 105542255417. The next prime is 105542255461. The reversal of 105542255455 is 554552245501.

It is not a de Polignac number, because 105542255455 - 2¹¹ = 105542253407 is a prime.

It is a super-2 number, since 2×105542255455² (a number of 23 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115980046 + ... + 115980955.

It is an arithmetic number, because the mean of its divisors is an integer number (9742362084).

Almost surely, 2^105542255455 is an apocalyptic number.

105542255455 is a deficient number, since it is larger than the sum of its proper divisors (50335537889).

105542255455 is a wasteful number, since it uses less digits than its factorization.

105542255455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231961026.

The product of its (nonzero) digits is 1000000, while the sum is 43.

The spelling of 105542255455 in words is "one hundred five billion, five hundred forty-two million, two hundred fifty-five thousand, four hundred fifty-five".