1106623551 has 16 divisors (see below), whose sum is σ = 1704319488. Its totient is φ = 631228800.

The previous prime is 1106623549. The next prime is 1106623591. The reversal of 1106623551 is 1553266011.

It is not a de Polignac number, because 1106623551 - 2¹ = 1106623549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106623591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985735 + ... + 986856.

It is an arithmetic number, because the mean of its divisors is an integer number (106519968).

Almost surely, 2^1106623551 is an apocalyptic number.

1106623551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1106623551 is a deficient number, since it is larger than the sum of its proper divisors (597695937).

1106623551 is a wasteful number, since it uses less digits than its factorization.

1106623551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972622.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1106623551 is about 33265.9518276571. The cubic root of 1106623551 is about 1034.3478979412.

Adding to 1106623551 its reverse (1553266011), we get a palindrome (2659889562).

The spelling of 1106623551 in words is "one billion, one hundred six million, six hundred twenty-three thousand, five hundred fifty-one".