106606502211555 has 24 divisors (see below), whose sum is σ = 184993872989328. Its totient is φ = 56792410670016.

The previous prime is 106606502211541. The next prime is 106606502211563. The reversal of 106606502211555 is 555112205606601.

It is a happy number.

106606502211555 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 0 + 65 + 0 + 22 + 11 + 555 = 666.

It is not a de Polignac number, because 106606502211555 - 2¹⁰ = 106606502210531 is a prime.

It is a super-2 number, since 2×106606502211555² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 106606502211555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1341428772 + ... + 1341508241.

It is an arithmetic number, because the mean of its divisors is an integer number (7708078041222).

Almost surely, 2^{106606502211555} is an apocalyptic number.

106606502211555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106606502211555 is a deficient number, since it is larger than the sum of its proper divisors (78387370777773).

106606502211555 is a wasteful number, since it uses less digits than its factorization.

106606502211555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682937907 (or 2682937904 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 106606502211555 in words is "one hundred six trillion, six hundred six billion, five hundred two million, two hundred eleven thousand, five hundred fifty-five".