11151123103 has 16 divisors (see below), whose sum is σ = 11465382400. Its totient is φ = 10841688000.

The previous prime is 11151123101. The next prime is 11151123127. The reversal of 11151123103 is 30132115111.

It is a cyclic number.

It is not a de Polignac number, because 11151123103 - 2¹ = 11151123101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11151123101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4952728 + ... + 4954978.

It is an arithmetic number, because the mean of its divisors is an integer number (716586400).

Almost surely, 2^11151123103 is an apocalyptic number.

11151123103 is a deficient number, since it is larger than the sum of its proper divisors (314259297).

11151123103 is an equidigital number, since it uses as much as digits as its factorization.

11151123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262.

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 11151123103 its reverse (30132115111), we get a palindrome (41283238214).

The spelling of 11151123103 in words is "eleven billion, one hundred fifty-one million, one hundred twenty-three thousand, one hundred three".