105255231555 has 16 divisors (see below), whose sum is σ = 168478803360. Its totient is φ = 56112645888.

The previous prime is 105255231541. The next prime is 105255231607. The reversal of 105255231555 is 555132552501.

It is not a de Polignac number, because 105255231555 - 2¹⁹ = 105254707267 is a prime.

It is a super-2 number, since 2×105255231555² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430260 + ... + 1502049.

It is an arithmetic number, because the mean of its divisors is an integer number (10529925210).

Almost surely, 2^105255231555 is an apocalyptic number.

105255231555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105255231555 is a deficient number, since it is larger than the sum of its proper divisors (63223571805).

105255231555 is a wasteful number, since it uses less digits than its factorization.

105255231555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934710.

The product of its (nonzero) digits is 187500, while the sum is 39.

The spelling of 105255231555 in words is "one hundred five billion, two hundred fifty-five million, two hundred thirty-one thousand, five hundred fifty-five".