1105112607555 has 32 divisors (see below), whose sum is σ = 1995438447360. Its totient is φ = 517335889280.

The previous prime is 1105112607553. The next prime is 1105112607559. The reversal of 1105112607555 is 5557062115011.

It is a happy number.

It is not a de Polignac number, because 1105112607555 - 2¹ = 1105112607553 is a prime.

It is a super-2 number, since 2×1105112607555² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1105112607553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115471977 + ... + 115481546.

It is an arithmetic number, because the mean of its divisors is an integer number (62357451480).

Almost surely, 2^{1105112607555} is an apocalyptic number.

1105112607555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1105112607555 is a deficient number, since it is larger than the sum of its proper divisors (890325839805).

1105112607555 is a wasteful number, since it uses less digits than its factorization.

1105112607555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230953571.

The product of its (nonzero) digits is 52500, while the sum is 39.

The spelling of 1105112607555 in words is "one trillion, one hundred five billion, one hundred twelve million, six hundred seven thousand, five hundred fifty-five".