106121520055 has 16 divisors (see below), whose sum is σ = 128002615488. Its totient is φ = 84460320000.

The previous prime is 106121520017. The next prime is 106121520091. The reversal of 106121520055 is 550025121601.

It is not a de Polignac number, because 106121520055 - 2¹⁵ = 106121487287 is a prime.

It is a super-2 number, since 2×106121520055² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 826705 + ... + 946405.

It is an arithmetic number, because the mean of its divisors is an integer number (8000163468).

Almost surely, 2^106121520055 is an apocalyptic number.

106121520055 is a deficient number, since it is larger than the sum of its proper divisors (21881095433).

106121520055 is a wasteful number, since it uses less digits than its factorization.

106121520055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120618.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 106121520055 its reverse (550025121601), we get a palindrome (656146641656).

The spelling of 106121520055 in words is "one hundred six billion, one hundred twenty-one million, five hundred twenty thousand, fifty-five".