105055611105506 has 4 divisors (see below), whose sum is σ = 157583416658262. Its totient is φ = 52527805552752.

The previous prime is 105055611105479. The next prime is 105055611105553. The reversal of 105055611105506 is 605501116550501.

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

It can be written as a sum of positive squares in only one way, i.e., 105047228055025 + 8383050481 = 10249255^2 + 91559^2 .

It is a super-2 number, since 2×105055611105506² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263902776375 + ... + 26263902776378.

Almost surely, 2^{105055611105506} is an apocalyptic number.

105055611105506 is a deficient number, since it is larger than the sum of its proper divisors (52527805552756).

105055611105506 is an equidigital number, since it uses as much as digits as its factorization.

105055611105506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52527805552755.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 105055611105506 in words is "one hundred five trillion, fifty-five billion, six hundred eleven million, one hundred five thousand, five hundred six".